ATI RN
Immune System Quiz Questions Questions
Question 1 of 5
What is the primary role of lymph nodes in the lymphatic system's immune function?
Correct Answer: B
Rationale: Lymph nodes filter lymph and activate immune responses.
Question 2 of 5
Identify the outward signs of inflammation.
Correct Answer: A
Rationale: Classic signs are heat, pain, redness, and swelling.
Question 3 of 5
Cell-mediated immunity occurs due to the actions of:
Correct Answer: B
Rationale: Cytotoxic T cells drive cell-mediated immunity.
Question 4 of 5
Which one of the following is NOT a mechanism that aids lymph return:
Correct Answer: C
Rationale: Heart pumping drives blood, not lymph; muscles , thoracic pressure , vessel contractions , and valves aid lymph return.
Question 5 of 5
In type III hypersensitivity reaction,
Correct Answer: D
Rationale: All (A-C) are true for type III; thus, D (all of the above) is correct