ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
The thymus shrinks after which life stage?
Correct Answer: B
Rationale: The thymus shrinks post-puberty; it's active in infancy , persists in adulthood , and regresses further in old age .
Question 2 of 5
The spleen's red pulp removes:
Correct Answer: B
Rationale: Red pulp removes old RBCs; lymphocytes are white pulp, pathogens are macrophages, platelets are stored.
Question 3 of 5
What is the role of Peyer's patches in immunity?
Correct Answer: B
Rationale: Peyer's patches monitor gut pathogens; blood is spleen, B cells are marrow, T cells are thymus.
Question 4 of 5
With regard to the thymic medulla (ANAT2020 only): It contains epithelioreticular cells.
Correct Answer: A
Rationale: Epithelioreticular cells are key components of the thymic medulla, aiding T-cell development.
Question 5 of 5
Contain longitudinal smooth muscle, vasa vasorum
Correct Answer: C
Rationale: Tunica adventitia contains longitudinal smooth muscle and vasa vasorum in larger lymphatic vessels; stratum basale is epithelial.