ATI RN
Immune System Multiple Choice Questions and Answers PDF Questions
Question 1 of 5
Which lymphoid tissue is found in the small intestine?
Correct Answer: B
Rationale: Peyer's patches are in the small intestine; tonsils are in the throat, appendix is separate, and spleen is abdominal.
Question 2 of 5
Which organ filters blood and stores platelets?
Correct Answer: B
Rationale: The spleen filters blood and stores platelets; thymus matures T cells, nodes filter lymph, tonsils trap pathogens.
Question 3 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 4 of 5
The spleen's red pulp is supplied by which vessels?
Correct Answer: B
Rationale: Sinusoids supply red pulp; central arteries feed white pulp, veins drain, capillaries are elsewhere.
Question 5 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.