ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
After the contact with foreign antigens, body produces specific antibody. These specific antibodies are readily detectable in serum following primary contact with antigen after:
Correct Answer: C
Rationale: Antibodies are detectable 5-7 days post-primary exposure, reflecting the adaptive response lag.
Question 2 of 5
Immunoglobulins have two light chains and two heavy chains.
Correct Answer: A
Rationale: Ig structure is two heavy, two light chains.
Question 3 of 5
Which of the following statements is true about the Th-1 Cells?
Correct Answer: D
Rationale: Th1 don't bind soluble antigens, use MHC II; they express CD4 and activate macrophages .
Question 4 of 5
Foreign particles that are injected into the skin are likely to enter the lymphatic system
Correct Answer: A
Rationale: Skin has lymphatic capillaries that rapidly take up injected foreign particles.
Question 5 of 5
In specific immunity, competent T-cells are activated by
Correct Answer: D
Rationale: IL-1 from antigen-presenting cells activates T cells in specific immunity.