ATI RN
Immune System NCLEX Questions Questions
Question 1 of 5
What is the primary source of lymph protein content?
Correct Answer: B
Rationale: Plasma leakage provides lymph proteins; RBCs don't leak, digestion adds fats, marrow makes cells.
Question 2 of 5
Which cytokine promotes inflammation?
Correct Answer: B
Rationale: TNF-alpha drives inflammation; IL-10 suppresses, IL-4 aids allergies, IL-2 boosts T cells.
Question 3 of 5
Which cells release perforins to kill targets?
Correct Answer: B
Rationale: Cytotoxic T cells use perforins; NK cells also do, but B cells make antibodies, macrophages phagocytose.
Question 4 of 5
Which cells are key to the primary immune response?
Correct Answer: B
Rationale: Naïve lymphocytes respond first; memory is secondary, macrophages and neutrophils are innate.
Question 5 of 5
Which organ is central to adaptive immunity?
Correct Answer: C
Rationale: Lymph nodes activate adaptive responses; spleen filters, thymus matures T cells, marrow produces.