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Chapter 1 - Support and Movement in Living Organisms

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Chapter 2 - Hormonal Coordination in Living Organisms

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Chapter 3 - Reproduction in Living Organisms

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Chapter 4 - Immunity in Living Organisms

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Chapter 5 - Molecular Biology - DNA Structure and Function

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Chapter 6 - Molecular Biology - RNA, Protein Synthesis and Genetic Engineering

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Chapter 7 - Geology, Earth Sciences and Ecology

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Quiz

Lesson 3: Mechanism of the Immune System (Lines of Defense & Humoral/Cellular Immunity) — Picture questions (exam style)

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  • Questions count: 189
  • Passing grade: 60%
Start Quiz
1.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 5, cause: macrophages
2.
The figure shows an antibody made of 1 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
The figure shows an antibody made of 1 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
part 4: heavy chain, binding sites in the whole molecule = 2, polypeptide chains = 1
part 4: heavy chain, binding sites in the whole molecule = 4, polypeptide chains = 4
part 4: heavy chain, binding sites in the whole molecule = 2, polypeptide chains = 4
part 4: heavy chain, binding sites in the whole molecule = 2, polypeptide chains = 2
3.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: memory cells
4.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
5.
The figure shows an antibody made of 2 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
The figure shows an antibody made of 2 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
part 2: disulfide bond, binding sites in the whole molecule = 4, polypeptide chains = 10
part 2: heavy chain, binding sites in the whole molecule = 4, polypeptide chains = 8
part 2: light chain, binding sites in the whole molecule = 4, polypeptide chains = 4
part 2: disulfide bond, binding sites in the whole molecule = 4, polypeptide chains = 4
6.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: macrophages
7.
The figure shows an antibody made of 5 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
The figure shows an antibody made of 5 Y-shaped unit(s) (parts numbered on the enlarged unit). Which option is correct?
part 3: disulfide bond, binding sites in the whole molecule = 20, polypeptide chains = 5
part 3: light chain, binding sites in the whole molecule = 10, polypeptide chains = 20
part 3: antigen-binding site (variable region), binding sites in the whole molecule = 12, polypeptide chains = 10
part 3: heavy chain, binding sites in the whole molecule = 5, polypeptide chains = 20
8.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 5, cause: memory cells
9.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
10.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
11.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
12.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
13.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
14.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
15.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
16.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
17.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
18.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: memory cells
19.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: memory cells
20.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: memory cells
21.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
22.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
23.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
24.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: macrophages
25.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
26.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 5, cause: memory cells
27.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: macrophages
28.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
29.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
30.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
31.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
32.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: memory cells
33.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
34.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
35.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
36.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
37.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
38.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 2, cause: macrophages
39.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: macrophages
40.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
41.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 5, cause: memory cells
42.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 2, cause: macrophages
43.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 16, cause: macrophages
44.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 13, cause: memory cells
45.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
46.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 5, cause: macrophages
47.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
48.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
49.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 8, cause: memory cells
50.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: macrophages
51.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 13, cause: macrophages
52.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
53.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
54.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: macrophages
55.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
56.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
57.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
58.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
59.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
60.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
61.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
62.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: macrophages
63.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
64.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
65.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
66.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
67.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
68.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
69.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
70.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
71.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
72.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
73.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
74.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
75.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
76.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
77.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
78.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: macrophages
79.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
80.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
81.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
82.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
83.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: macrophages
84.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: macrophages
85.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
86.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
87.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: memory cells
88.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 10, cause: macrophages
89.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
90.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: memory cells
91.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
92.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
93.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
94.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
95.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 13, cause: macrophages
96.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
97.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
98.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
99.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: memory cells
100.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
101.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
102.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: macrophages
103.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
104.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
105.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 5, cause: memory cells
106.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
107.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
108.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
109.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
110.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
111.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
112.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
113.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
114.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: macrophages
115.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
116.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
117.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
118.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: memory cells
119.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
120.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
121.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
122.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
123.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
124.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
125.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 11, cause: macrophages
126.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: macrophages
127.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
128.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
129.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: macrophages
130.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
131.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 8, cause: macrophages
132.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
133.
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
134.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: memory cells
135.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
136.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
137.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
138.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
139.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
140.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
141.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
142.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
143.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
144.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
145.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
146.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
147.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
148.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
149.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: macrophages
150.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
151.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
152.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: macrophages
153.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: macrophages
154.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
155.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
156.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
157.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
158.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
159.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
160.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: macrophages
161.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
162.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
163.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: memory cells
164.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
165.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
166.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
167.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: macrophages
168.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
169.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: macrophages
170.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 20, cause: macrophages
171.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
172.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
173.
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
174.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
175.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
176.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
177.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
178.
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
179.
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 10, cause: macrophages
180.
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 40; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: memory cells
181.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 13, cause: memory cells
182.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
183.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
184.
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A and B on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
185.
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 35; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: memory cells
186.
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 20; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
187.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
188.
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 25; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: memory cells
189.
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
A person was injected with antigen A on day 0, then with A on day 30; the graph shows antibody concentration. Which option is correct?
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
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