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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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Quiz

Lesson 2: The Human Immune System (Organs, Cells, and Antibodies) — Picture questions (exam style)

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