ATI RN
Good Questions About the Immune System Questions
Question 1 of 5
Which cells are most abundant in lymph?
Correct Answer: B
Rationale: Lymphocytes dominate lymph; RBCs and platelets are rare, neutrophils are in blood.
Question 2 of 5
The lymphatic system's role in fat transport involves:
Correct Answer: B
Rationale: Lacteals transport fats; spleen , thymus , and tonsils don't.
Question 3 of 5
What is the role of macrophages in immunity?
Correct Answer: C
Rationale: Macrophages engulf pathogens; antibodies are B cells, killing is T cells, histamine is mast cells.
Question 4 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 5 of 5
What is the role of Peyer's patches?
Correct Answer: B
Rationale: Peyer's patches monitor gut pathogens; blood is spleen, T cells are thymus, antibodies are B cells.