ATI RN
Pediatric Immunization NCLEX Questions Quizlet Questions
Question 1 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 2 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 3 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.
Question 4 of 5
In contrast toαβ T cells, γδ T cells recognize certain peptide and nonpeptide antigens ___ processing and in the ___ of MHC class I and/or II molecules.
Correct Answer: C
Rationale: γδ T cells recognize antigens without processing and independent of MHC molecules.
Question 5 of 5
Which of the following is NOT true when comparing primary immune response to subsequent (secondary) immune response?
Correct Answer: D
Rationale: Secondary response typically features IgG, not IgH (a typo for IgA/IgE), as the major class.