ATI RN
Lymphatic System Quiz Questions Questions
Question 1 of 5
The thoracic duct begins at which structure?
Correct Answer: B
Rationale: The thoracic duct starts at the cisterna chyli ; right duct is separate, trunks feed it, vein is endpoint.
Question 2 of 5
What is the primary role of Peyer's patches?
Correct Answer: B
Rationale: Peyer's patches monitor gut pathogens; filtering is nodes, T cells are thymus, storing is minimal.
Question 3 of 5
The innate immune system is characterized by:
Correct Answer: C
Rationale: Innate immunity responds quickly but lacks specificity and memory ; antibodies are adaptive.
Question 4 of 5
What is the role of natural killer (NK) cells?
Correct Answer: C
Rationale: NK cells kill abnormal cells; antibodies are B cells, phagocytosis is macrophages, presentation is dendritic cells.
Question 5 of 5
The spleen's marginal zone traps:
Correct Answer: B
Rationale: The marginal zone traps blood antigens; lymph is nodes, fluid is lymphatics, platelets are stored.