ATI RN
Immune System Multiple Choice Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
The order of percent of total immunoglobulin in serum is
Correct Answer: D
Rationale: Serum order is IgG (~80%), IgA, IgM, IgD, IgE ; not other sequences (A-C).
Question 5 of 5
Choose the correct statement about Passive Immunity?
Correct Answer: D
Rationale: All (A, B, C) are true for passive immunity; thus, D is correct.