ATI RN
Immune System Practice Questions Questions
Question 1 of 5
The lymphatic system's role in immunity includes:
Correct Answer: B
Rationale: It activates lymphocytes ; RBCs are bone marrow, carbs are digestive, oxygen is blood.
Question 2 of 5
Which cells are responsible for cell-mediated immunity?
Correct Answer: B
Rationale: T cells mediate cellular immunity; B cells produce antibodies, macrophages and neutrophils are innate.
Question 3 of 5
Which cells are key to the secondary immune response?
Correct Answer: A
Rationale: Memory cells drive faster secondary responses; neutrophils , macrophages , and dendritic are initial responders.
Question 4 of 5
Which cytokine promotes fever?
Correct Answer: A
Rationale: IL-1 induces fever; IL-2 boosts T cells, IL-4 aids B cells, IL-10 suppresses.
Question 5 of 5
Which cells undergo negative selection in the thymus?
Correct Answer: B
Rationale: T cells undergo negative selection; B cells are in marrow, macrophages and neutrophils don't.