ATI RN
Immune System Questions and Answers Quizlet Questions
Question 1 of 5
The lingual tonsils are not commonly inflamed because:
Correct Answer: D
Rationale: Lingual tonsils have ducts opening at crypt bases, reducing inflammation by clearing debris ; location and epithelium don't fully explain (A, B), surface ducts are incorrect .
Question 2 of 5
What are APCs?
Correct Answer: A
Rationale: APCs (antigen-presenting cells) activate T cells ; killing and antibody production are other cell roles, not repair .
Question 3 of 5
Which cell produces IL-10 and TGFB to restrain the immune system?
Correct Answer: B
Rationale: iTreg cells produce IL-10 and TGF-β to suppress immunity ; CD8+ , NK , and neutrophils don't.
Question 4 of 5
Which of these is not a nonspecific defense against disease
Correct Answer: D
Rationale: Hair color and texture don't defend against disease; species resistance , phagocytosis , and interferon are nonspecific defenses.
Question 5 of 5
Unlike B lymphocytes, T lymphocytes do not generate a secreted form of their antigen receptor after they are activated and proliferate. This is because the effector functions of T cells are restricted to:
Correct Answer: C
Rationale: T cells interact with cells (e.g., infected or immune cells) via TCR ; not limited to protozoa , helminths , or mucosa .