ATI RN
Immune System Practice Questions Questions
Question 1 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 2 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.
Question 3 of 5
The thymus is derived from which embryonic structure?
Correct Answer: A
Rationale: The thymus comes from pharyngeal pouches; neural crest , mesoderm , and ectoderm form other structures.
Question 4 of 5
Which cells are responsible for cell-mediated immunity?
Correct Answer: B
Rationale: T cells mediate cellular immunity; B cells produce antibodies, macrophages and neutrophils are innate.
Question 5 of 5
Which cells are key to the secondary immune response?
Correct Answer: A
Rationale: Memory cells drive faster secondary responses; neutrophils , macrophages , and dendritic are initial responders.