ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
Which cells in lymph nodes trap antigens?
Correct Answer: D
Rationale: Dendritic cells trap antigens; lymphocytes respond, macrophages phagocytose, neutrophils are blood-based.
Question 2 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 3 of 5
The spleen's red pulp primarily:
Correct Answer: B
Rationale: Red pulp removes old RBCs; antibodies are white pulp, T cells are thymus, lymph is nodes.
Question 4 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 5 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.