ATI RN
Immune System NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
With regard to secondary lymphatic nodules: They are characterised by a 'darkly basophilic central region'.
Correct Answer: A
Rationale: The germinal center stains darkly basophilic due to dense lymphocyte populations with heterochromatic nuclei.
Question 5 of 5
From which organ was this photomicrograph obtained?
Correct Answer: A
Rationale: The presence of white pulp and central artery indicates this is from the spleen.