ATI RN
Pediatric Immunization NCLEX Questions Quizlet Questions
Question 1 of 5
Important role in allergic response; heparin & histamine
Correct Answer: C
Rationale: Basophils release histamine and heparin in allergic responses.
Question 2 of 5
Regarding mucosa-associated lymphoid tissue (MALT), which of the following is secreted by B cells across the epithelium?
Correct Answer: A
Rationale: IgA is the primary antibody secreted across mucosal epithelium.
Question 3 of 5
During B cell development, when is there rearrangement in the heavy (H) chain of the immunoblobulin gene started?
Correct Answer: A
Rationale: Heavy chain rearrangement begins in the pro-B cell stage.
Question 4 of 5
The activation of a naïve B cell, which generally requires a second accessory signal, occurs when the B cell exits the bloodstream and into a lymphoid organ, meets antigen, internalizes the BCR-antigen complex, and eventually becomes cells.
Correct Answer: C
Rationale: Naïve B cell activation in primary response produces plasma and memory cells.
Question 5 of 5
At what stage does selection occur and where in the thymus does it occur?
Correct Answer: B
Rationale: Selection (positive and negative) occurs at the DP stage in the thymus cortex.