ATI RN
Immune System Practice Questions Questions
Question 1 of 5
Which of the following can be an antigen presenting cell through MHC Class II:
Correct Answer: B
Rationale: Macrophages present via MHC II; bacteria are antigens, neutrophils and RBCs don't present, T-cells receive.
Question 2 of 5
What is the role of the cisterna chyli?
Correct Answer: B
Rationale: Cisterna chyli stores lymph before the thoracic duct; it doesn't filter , produce cells , or transport blood .
Question 3 of 5
What is the term for enlarged lymph nodes due to infection?
Correct Answer: A
Rationale: Lymphadenopathy is node enlargement; lymphangitis is vessel inflammation, lymphoma is cancer, lymphedema is swelling.
Question 4 of 5
What is the primary source of lymph fluid?
Correct Answer: A
Rationale: Capillary filtration produces lymph; sweat , secretions , and marrow don't.
Question 5 of 5
The lymphatic system's role in immunity includes:
Correct Answer: B
Rationale: It activates lymphocytes ; RBCs are bone marrow, carbs are digestive, oxygen is blood.