ATI RN
Immune System Exam Questions Questions
Question 1 of 5
Which cells are most abundant in lymph nodes?
Correct Answer: B
Rationale: Lymphocytes dominate lymph nodes; neutrophils are in blood, macrophages assist, eosinophils fight parasites.
Question 2 of 5
Which cytokine promotes B cell differentiation?
Correct Answer: B
Rationale: IL-4 aids B cell differentiation; IL-2 boosts T cells, IL-6 supports, TNF-alpha inflames.
Question 3 of 5
Which cells are elevated in viral infections?
Correct Answer: B
Rationale: Lymphocytes rise in viral infections; neutrophils are bacterial, eosinophils are parasites, basophils are allergies.
Question 4 of 5
Describe the histological structure and function of the thymus (ANAT2020 only).
Correct Answer: A
Rationale: The thymus is a primary lymphoid organ where T-cells mature through antigen-independent differentiation . It has a connective tissue capsule with trabeculae forming lobules , a cortex with densely packed thymocytes, and a medulla with Hassall's corpuscles (C, D), supported by epithelioreticular cells.
Question 5 of 5
is inflammation in lymph vessel, seen as red lines on skin
Correct Answer: B
Rationale: Lymphangitis is inflammation of lymph vessels, appearing as red lines; lymphadenitis is lymph node inflammation, lymphedema is swelling.