ATI RN
Immune System Multiple Choice Questions Questions
Question 1 of 5
What type of cell helps to stimulate B cells to produce antibodies?
Correct Answer: C
Rationale: Helper T cells activate B cells via cytokines, enhancing antibody production, unlike plasma cells (antibody producers), cytotoxic T cells, or macrophages.
Question 2 of 5
Complete the following sentence. The antigen binding site of an antibody is located......
Correct Answer: A
Rationale: The antigen-binding site is formed by variable regions of both heavy and light chains, creating specificity.
Question 3 of 5
A characteristic of pathogen produced superantigens is that they:
Correct Answer: D
Rationale: Superantigens nonspecifically overactivate T cells via MHC-TCR bridging, evading specific responses.
Question 4 of 5
An anamnestic response involves a/an
Correct Answer: C
Rationale: Anamnestic (memory) response is rapid due to memory cells; effector and intensity are features, but C is specific.
Question 5 of 5
A tissue graft between two people who are not genetically identical is termed a:
Correct Answer: D
Rationale: Allograft is between non-identical humans; isograft is identical, xenograft is cross-species.