ATI RN
Lymphatic System Practice Questions Questions
Question 1 of 5
is aggregation of lymph tissue with incomplete capsule
Correct Answer: A
Rationale: Tonsils are lymphoid tissue aggregates with incomplete capsules.
Question 2 of 5
Regional enlargement of lymph nodes may be due to:
Correct Answer: A
Rationale: Regional lymph node enlargement often results from inflammation in drained areas ; cancer spreads via lymph , leukemia affects blood (C, D).
Question 3 of 5
Which cells are professional phagocytes?
Correct Answer: C
Rationale: Macrophages and neutrophils are professional phagocytes ; T cells , B cells , and NK cells are not.
Question 4 of 5
Where are YD-receptors most abundant?
Correct Answer: B
Rationale: Gamma-delta (YD) T cells are abundant in mucosal sites like intestine, uterus, and tongue .
Question 5 of 5
What is the main function of the thymus?
Correct Answer: D
Rationale: The thymus eliminates self-reactive T cells via selection ; Treg generation is secondary, not B cells or activation .