ATI RN
Lymphatic System Review Questions Questions
Question 1 of 5
Which structure traps pathogens in the throat?
Correct Answer: A
Rationale: Tonsils trap throat pathogens; spleen filters blood, thymus matures T cells, nodes filter lymph.
Question 2 of 5
Which cells are key to immune surveillance?
Correct Answer: C
Rationale: NK cells monitor for abnormal cells; B and T cells are adaptive, macrophages phagocytose.
Question 3 of 5
Which cytokine promotes allergic responses?
Correct Answer: B
Rationale: IL-4 promotes allergies; IL-2 boosts T cells, IL-6 aids B cells, TNF-alpha inflames.
Question 4 of 5
With regard to the superficial cortex of the lymph node: It is characterized by the presence of white pulp.
Correct Answer: B
Rationale: White pulp is specific to the spleen, not lymph nodes.
Question 5 of 5
All characters of lymphatic Capillary except:
Correct Answer: C
Rationale: Lymphatic capillaries have blind ends, interrupted basal lamina, and no tight junctions (A, B), and remove large molecules ; they lack pericytes, unlike blood capillaries (C is incorrect).