ATI RN
Immune System Multiple Choice Questions Questions
Question 1 of 5
between white Pulp, blood sinusoid that contain lymph cells
Correct Answer: C
Rationale: Splenic cords (Billroth cords) lie between white pulp and blood sinusoids, containing lymphoid cells.
Question 2 of 5
Concerning palatine tonsils, which of the following is correct?
Correct Answer: D
Rationale: Palatine tonsils have nodules and diffuse tissue ; they're in the oropharynx (not nasopharynx, A), non-keratinized , glands open at crypt surfaces (C is incorrect).
Question 3 of 5
What characterizes Goblet cells most?
Correct Answer: C
Rationale: Goblet cells primarily produce mucus in the respiratory tract; they lack cilia , P450 enzymes , or surfactant (D, alveolar cells).
Question 4 of 5
Which of the following is true about antigen presentation through MHC II molecules?
Correct Answer: D
Rationale: MHC II presents exogenous peptides to CD4+ Th cells ; endogenous and killer T cells are MHC I, not on all cells .
Question 5 of 5
What cytokines do Th17 cells produce that recruit neutrophils to the site of infection and influence B cells to produce the right antibodies?
Correct Answer: A
Rationale: Th17 cells produce IL-17 and IL-21 to recruit neutrophils and aid B cells ; other pairs (B, C, D) target different responses.