ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
What is the term for immunity gained from vaccination?
Correct Answer: B
Rationale: Artificial active immunity comes from vaccines; natural active is from infection, passive (C, D) is from antibodies.
Question 2 of 5
What is the term for reduced immune response to self-antigens?
Correct Answer: C
Rationale: Tolerance prevents self-reaction; hypersensitivity is overreaction, autoimmunity is self-attack, immunodeficiency is weakness.
Question 3 of 5
The complement system's role in inflammation includes:
Correct Answer: B
Rationale: Complement releases anaphylatoxins like C5a; antibodies are B cells, killing is T cells, activation is cytokines.
Question 4 of 5
With regard to secondary lymphatic nodules: They are characterised by the presence of germinal centres.
Correct Answer: A
Rationale: Germinal centers are a hallmark of secondary lymphatic nodules, where B-cell proliferation and differentiation occur.
Question 5 of 5
Identify the structure indicated by an arrow.
Correct Answer: A
Rationale: The arrow points to the central artery, a key feature within the white pulp of the spleen.