ATI RN
Immune System Multiple Choice Questions Questions
Question 1 of 5
Clonal selection occurs when antigen is encountered by:
Correct Answer: D
Rationale: Clonal selection involves T and B cells proliferating after antigen encounter, not innate cells like basophils.
Question 2 of 5
All of the following are part of our antigen specific defense mechanisms except:
Correct Answer: A
Rationale: Inflammation is nonspecific; lymphocytes and antibodies are specific.
Question 3 of 5
Which of the following Cytokines can increase the body temperature directly?
Correct Answer: C
Rationale: IL-6 induces fever; IL-2 and IL-8 don't directly.
Question 4 of 5
People that are confined to bed for long periods of time often develop edema because
Correct Answer: C
Rationale: Lack of muscle contraction impairs lymph flow, causing fluid buildup (edema) in interstitial spaces.
Question 5 of 5
In cell-mediated immunity, the antigen is destroyed by
Correct Answer: A
Rationale: Killer (cytotoxic) T cells destroy infected cells in cell-mediated immunity.