ATI RN
Questions on Immune System Questions
Question 1 of 5
What is the primary role of lymph nodes?
Correct Answer: B
Rationale: Lymph nodes filter lymph to remove pathogens; they don't produce lymph , store blood , or secrete hormones .
Question 2 of 5
The spleen's white pulp surrounds which structure?
Correct Answer: A
Rationale: White pulp surrounds central arteries ; veins , capillaries , and lymphatic vessels are elsewhere.
Question 3 of 5
Which cells in the spleen's white pulp respond to antigens?
Correct Answer: B
Rationale: Lymphocytes in white pulp respond to antigens; RBCs , macrophages , and platelets are in red pulp.
Question 4 of 5
What is the primary destination of lymph from the left leg?
Correct Answer: B
Rationale: The thoracic duct drains the left leg via cisterna chyli ; right duct is upper right.
Question 5 of 5
The adaptive immune system is distinguished by:
Correct Answer: C
Rationale: Adaptive immunity has memory; speed and nonspecificity are innate, inflammation is both.