ATI RN
Pediatric Immunization NCLEX Questions Questions
Question 1 of 5
Which of the following locations has cell that transport the antigens by transcytosis into sub-epithelial tissues (e.g. lamina propria) where they encounter lymphocytes?
Correct Answer: C
Rationale: Peyer's patches in GALT use M cells for transcytosis.
Question 2 of 5
Tolerance refers to the ability of B cells to:
Correct Answer: C
Rationale: B cell tolerance prevents reactivity to self-antigens.
Question 3 of 5
Where are double-positive (DP) cells found?
Correct Answer: C
Rationale: DP cells reside in the thymus cortex, where they undergo selection processes.
Question 4 of 5
The γδ T cell acts as a part of the first line of defense, recognizing microbial invaders. They appear to recognize commonly occurring microbial pathogens. Where can γδ T cells be found?
Correct Answer: C
Rationale: γδ T cells are prevalent in epithelial tissues like skin and gut mucosa for innate defense.
Question 5 of 5
T cell activation of TH1 leads to ___ antibody production and opsonization (or macrophage activation). Activation of TH2 leads to ___ antibody production and activation of mast cells and eosinophils.
Correct Answer: B
Rationale: TH1 drives IgG for opsonization/macrophage activation; TH2 drives IgE for mast cell/eosinophil activation.