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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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Quiz

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

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  • Questions count: 185
  • Passing grade: 60%
Start Quiz
1.
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: suppressor T 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 = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
2.
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 1: disulfide bond, binding sites in the whole molecule = 20, polypeptide chains = 5
part 1: heavy chain, binding sites in the whole molecule = 10, polypeptide chains = 10
part 1: light chain, binding sites in the whole molecule = 5, polypeptide chains = 22
part 1: disulfide bond, binding sites in the whole molecule = 10, polypeptide chains = 20
3.
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 = 8, cause: memory cells
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
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, cause: macrophages
4.
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 1: antigen-binding site (variable region), binding sites in the whole molecule = 4, polypeptide chains = 2
part 1: antigen-binding site (variable region), binding sites in the whole molecule = 6, polypeptide chains = 4
part 1: disulfide bond, binding sites in the whole molecule = 4, polypeptide chains = 8
part 1: disulfide bond, binding sites in the whole molecule = 8, polypeptide chains = 2
5.
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 = 5, 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 = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
6.
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: disulfide bond, binding sites in the whole molecule = 4, polypeptide chains = 6
part 4: antigen-binding site (variable region), binding sites in the whole molecule = 2, polypeptide chains = 4
part 4: antigen-binding site (variable region), binding sites in the whole molecule = 4, polypeptide chains = 1
part 4: heavy chain, binding sites in the whole molecule = 4, polypeptide chains = 2
7.
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 = 16, cause: macrophages
latent period of secondary response = 7 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
8.
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: suppressor T 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 = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: memory cells
9.
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 = 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 = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
10.
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 = 7 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: memory cells
11.
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 = 40 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 = 40 days, secondary peak ÷ primary peak = 11, cause: macrophages
12.
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 = 10, cause: macrophages
latent period of secondary response = 40 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 = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
13.
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 = 5, cause: memory cells
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 = 2, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, 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 = 6 days, secondary peak ÷ primary peak = 10, 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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory 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 = 6 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 = 10, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 20, cause: macrophages
16.
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 = 10 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 = 20 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
17.
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 = 7 days, secondary peak ÷ primary peak = 13, cause: memory 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
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 40 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 40 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 = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 13, cause: memory cells
20.
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 = 5, cause: memory cells
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 = 10, cause: macrophages
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 2, cause: memory cells
21.
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 = 5, cause: macrophages
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 = 5, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
22.
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: 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
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
23.
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 = 2, cause: memory cells
latent period of secondary response = 30 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: suppressor T cells
24.
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 = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, 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
25.
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 = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: macrophages
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 = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
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: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
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 = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: macrophages
28.
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 = 10 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 = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
29.
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: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
30.
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 = 8, 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 = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
31.
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 = 30 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
32.
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 = 40 days, secondary peak ÷ primary peak = 2, cause: macrophages
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 = 10, cause: memory cells
33.
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 = 8, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 5, cause: memory cells
34.
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 = 16, 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: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 16, cause: memory cells
35.
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 = 10, cause: memory cells
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: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
36.
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 = 10, cause: suppressor T cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
37.
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: memory 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 = 11, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
38.
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 = 2, 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 = 2, cause: suppressor T cells
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 = 8 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 8 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 = 7 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
40.
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 = 8, 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 = 5, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
41.
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: macrophages
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: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
42.
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 = 16, cause: memory 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 = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
43.
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 = 40 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 40 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 = 6 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
44.
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 = 2, cause: memory cells
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 = 8, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: memory cells
45.
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 = 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 = 2, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: memory cells
46.
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 = 30 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 = 30 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
47.
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 = 10 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 11, cause: macrophages
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
48.
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 = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: memory cells
49.
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 = 8, cause: macrophages
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: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
50.
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 = 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 = 25 days, secondary peak ÷ primary peak = 16, cause: macrophages
51.
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 = 7 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
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: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 16, cause: memory cells
52.
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 = 10, cause: memory 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 = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
53.
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 = 7 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
54.
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 = 5, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: macrophages
55.
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: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
56.
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 = 16, cause: suppressor T cells
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: macrophages
57.
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 = 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 = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 5, cause: macrophages
58.
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 = 7 days, secondary peak ÷ primary peak = 11, cause: suppressor T 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 = 11, cause: macrophages
59.
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 = 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 = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
60.
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 = 2, cause: macrophages
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: memory cells
61.
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 = 10 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
62.
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 = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, 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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, 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 = 2, cause: suppressor T cells
64.
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 = 13, cause: suppressor T cells
latent period of secondary response = 20 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 = 6 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
65.
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 = 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 = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
66.
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: suppressor T cells
latent period of secondary response = 40 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
67.
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 = 2, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
68.
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 = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 40 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 = 6 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
69.
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: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 16, cause: macrophages
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 = 8, cause: memory cells
70.
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: suppressor T cells
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 = 10, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
71.
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 = 30 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 30 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
72.
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 = 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 = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
73.
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 = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
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: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
74.
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 = 10 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
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 = 10, cause: memory cells
75.
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 = 13, cause: memory cells
latent period of secondary response = 35 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 = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
76.
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 = 2, cause: suppressor T 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 = 5, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
77.
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 = 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: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: macrophages
78.
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 = 40 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 = 2, cause: memory cells
79.
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: 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
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: macrophages
80.
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 = 11, cause: suppressor T cells
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: suppressor T cells
81.
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 = 5, 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 = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
82.
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 = 2, cause: memory cells
latent period of secondary response = 2 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 = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
83.
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 = 2, cause: macrophages
latent period of secondary response = 35 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 = 2, cause: memory cells
84.
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 = 2, cause: memory 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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
85.
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 = 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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
86.
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 = 25 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
87.
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 = 2, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 6 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 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 = 10, 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
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: macrophages
89.
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: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
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
90.
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 = 20, cause: memory cells
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 = 10, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
91.
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 = 11, cause: suppressor T cells
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 = 16, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
92.
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 = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: memory cells
93.
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 = 7 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 = 40 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
94.
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 = 10, 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 = 20, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: memory cells
95.
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 = 5, cause: macrophages
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: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
96.
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 = 16, 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: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: macrophages
97.
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 = 8 days, secondary peak ÷ primary peak = 2, 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 = 8, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 8, cause: memory cells
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 = 2 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 = 20 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 10, cause: memory cells
99.
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: macrophages
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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, 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 = 3 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 = 3 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 13, cause: macrophages
101.
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 = 13, 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 = 2, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 20, cause: suppressor T 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 = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 7 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 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 = 16, cause: memory cells
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: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
104.
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 = 5, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
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 = 2, cause: memory cells
105.
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 = 30 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
106.
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 = 10, cause: memory cells
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
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
107.
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 = 8, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 8 days, secondary peak ÷ primary peak = 16, cause: memory cells
108.
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 = 2, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
109.
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 = 10, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 10, cause: macrophages
110.
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 = 25 days, secondary peak ÷ primary peak = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
111.
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 = 35 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 2, cause: memory cells
112.
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 = 8, 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 = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
113.
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 = 5, cause: macrophages
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 = 8, cause: macrophages
114.
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 = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: memory cells
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 = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 8 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 = 25 days, secondary peak ÷ primary peak = 11, cause: memory cells
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: 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 = 8, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 16, cause: memory cells
117.
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 = 20, cause: macrophages
latent period of secondary response = 6 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 = 2 days, secondary peak ÷ primary peak = 13, cause: macrophages
118.
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 = 20, cause: memory 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: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 13, cause: suppressor T 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 = 3 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 = 16, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: macrophages
120.
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 = 5, cause: memory cells
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 = 5, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: memory cells
121.
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 = 2, 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 = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: memory cells
122.
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 = 10 days, secondary peak ÷ primary peak = 20, cause: memory 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 = 20, cause: memory cells
123.
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 = 20, 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 = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 20, 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 = 35 days, secondary peak ÷ primary peak = 11, cause: macrophages
latent period of secondary response = 10 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 = 35 days, secondary peak ÷ primary peak = 8, cause: memory cells
125.
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 = 10, cause: memory cells
latent period of secondary response = 6 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
126.
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 = 5, 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: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: macrophages
127.
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 = 5, cause: memory cells
latent period of secondary response = 2 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 = 2 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
128.
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 = 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: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: memory cells
129.
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 = 11, cause: suppressor T cells
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 = 8, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 8, 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 = 6 days, secondary peak ÷ primary peak = 10, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 20, cause: memory cells
latent period of secondary response = 25 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
131.
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: macrophages
latent period of secondary response = 6 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 = 20 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
132.
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 = 5, 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 = 8, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
133.
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 = 5, 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 = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
134.
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 = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
135.
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 = 6 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 13, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 2, cause: memory cells
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 = 6 days, secondary peak ÷ primary peak = 16, 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 = 2, cause: suppressor T cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 16, 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 = 25 days, secondary peak ÷ primary peak = 10, 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 = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 5, cause: macrophages
138.
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: suppressor T cells
latent period of secondary response = 20 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: memory cells
139.
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: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 16, cause: suppressor T 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 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 = 40 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 = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
141.
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 = 3 days, secondary peak ÷ primary peak = 2, cause: memory cells
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: macrophages
142.
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: suppressor T cells
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 = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
143.
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 = 10, cause: suppressor T cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 13, cause: macrophages
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 = 10, cause: memory cells
144.
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 = 11, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
145.
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: suppressor T cells
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
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
146.
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 = 10, 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 = 20, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
147.
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 = 10, 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 = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 2, cause: macrophages
148.
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: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
149.
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 = 5, 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 = 2, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 5, cause: macrophages
150.
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 = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 35 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
151.
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 = 5, cause: suppressor T cells
latent period of secondary response = 20 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 = 6 days, secondary peak ÷ primary peak = 2, cause: memory cells
152.
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: 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
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: memory cells
153.
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 = 8, cause: suppressor T cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 11, cause: memory cells
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 16, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: memory cells
154.
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 = 8, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 16, cause: suppressor T cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 11, cause: macrophages
155.
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 = 10 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
156.
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 = 13, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 13, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 10, cause: memory cells
157.
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 = 7 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 = 30 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 8, cause: suppressor T cells
158.
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 = 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 = 2, cause: macrophages
latent period of secondary response = 40 days, secondary peak ÷ primary peak = 11, cause: suppressor T cells
159.
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: 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 = 10, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 20, cause: macrophages
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 = 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
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 = 5, cause: memory cells
161.
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: macrophages
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 = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
162.
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 = 5, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 5, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 2, cause: macrophages
163.
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 = 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 = 16, cause: macrophages
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 16, 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 = 30 days, secondary peak ÷ primary peak = 8, cause: macrophages
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 5, cause: suppressor T cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 5, cause: macrophages
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 5, cause: memory cells
165.
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: 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: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 10, cause: suppressor T 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 = 3 days, secondary peak ÷ primary peak = 16, cause: memory cells
latent period of secondary response = 7 days, secondary peak ÷ primary peak = 2, cause: macrophages
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 = 8, cause: memory cells
167.
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 = 35 days, secondary peak ÷ primary peak = 2, cause: macrophages
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: memory cells
168.
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 = 10, cause: macrophages
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 2, cause: macrophages
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
169.
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: 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: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: memory cells
170.
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 = 2, cause: memory cells
latent period of secondary response = 3 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
latent period of secondary response = 30 days, secondary peak ÷ primary peak = 20, cause: macrophages
171.
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 = 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 = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 8, cause: suppressor T 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 = 20 days, secondary peak ÷ primary peak = 20, cause: memory cells
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
173.
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 = 6 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 = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 13, cause: macrophages
174.
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 = 20, cause: suppressor T cells
latent period of secondary response = 40 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 = 8 days, secondary peak ÷ primary peak = 10, cause: suppressor T cells
175.
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: 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 = 2, cause: suppressor T cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 11, cause: macrophages
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 = 25 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 = 6 days, secondary peak ÷ primary peak = 8, cause: suppressor T 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 = 20 days, secondary peak ÷ primary peak = 2, 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
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 20, cause: suppressor T cells
178.
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: 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 = 13, cause: memory cells
latent period of secondary response = 6 days, secondary peak ÷ primary peak = 10, cause: memory cells
179.
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 = 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 = 8, cause: memory cells
latent period of secondary response = 25 days, secondary peak ÷ primary peak = 2, cause: macrophages
180.
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 = 11, 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 = 8, cause: memory cells
latent period of secondary response = 2 days, secondary peak ÷ primary peak = 2, cause: suppressor T cells
181.
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 = 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 = 3 days, secondary peak ÷ primary peak = 8, cause: memory cells
latent period of secondary response = 3 days, secondary peak ÷ primary peak = 8, cause: macrophages
182.
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 = 11, 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: macrophages
183.
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 = 8, cause: memory 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 = 5, cause: macrophages
latent period of secondary response = 20 days, secondary peak ÷ primary peak = 8, cause: macrophages
184.
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: 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 = 2, cause: memory cells
latent period of secondary response = 10 days, secondary peak ÷ primary peak = 11, cause: macrophages
185.
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 = 6 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 = 13, cause: suppressor T cells
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