ATI RN
Immune System NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
All characters of lymph Node Capsule except
Correct Answer: D
Rationale: Lymph node capsule has smooth muscle at hilum , adipose tissue , and is pierced by afferent vessels ; it divides into cortex and medulla, but not regularly (D is incorrect).
Question 5 of 5
is present around blood sinusoid
Correct Answer: A
Rationale: Littoral cells line blood sinusoids in the spleen; Kupffer cells are in the liver.