ATI RN
Pediatric Immunization NCLEX Questions Quizlet Questions
Question 1 of 5
Tissue mast cells
Correct Answer: D
Rationale: Tissue mast cells release histamine and mediators during inflammation or allergic responses, not phagocytosis or lysis.
Question 2 of 5
Which of the following has an immunoglobulin fold?
Correct Answer: D
Rationale: Both BCRs and TCRs have immunoglobulin-like folds, unlike MHC molecules, making d (moved from e) correct.
Question 3 of 5
Which of the following differentiates an antigen from an immunogen?
Correct Answer: C
Rationale: An antigen binds immune receptors but doesn't always provoke a response (unlike an immunogen), making c the key differentiator.
Question 4 of 5
Allows for flexibility
Correct Answer: D
Rationale: The hinge region of an antibody provides flexibility between Fab and Fc regions.
Question 5 of 5
Can transfer across the placental (maternal protection)
Correct Answer: A
Rationale: IgG crosses the placenta to provide maternal immunity to the fetus.