ATI RN
NCLEX Pediatric Immunization Questions Questions
Question 1 of 5
Neutrophils
Correct Answer: D
Rationale: Neutrophils are primary phagocytes that engulf and kill bacteria using bactericidal mechanisms.
Question 2 of 5
The genes encoding which of the following are extensively polymorphic (have multiple alleles or forms of the same gene)?
Correct Answer: C
Rationale: MHC genes are highly polymorphic, providing diverse antigen presentation across populations, unlike BCR or TCR genes.
Question 3 of 5
Which of the following best describes penicillin, a hapten?
Correct Answer: D
Rationale: Penicillin is a small hapten that requires conjugation to a carrier protein to elicit an immune response.
Question 4 of 5
Binds to various cellular receptors and to complement
Correct Answer: D
Rationale: The Fc region interacts with receptors on immune cells and complement proteins.
Question 5 of 5
Papain cleaves what region of immunoglobulin?
Correct Answer: C
Rationale: Papain cleaves above the hinge region, yielding two Fab fragments and one Fc.