ATI RN
Pediatric Immunization NCLEX Questions Questions
Question 1 of 5
Directly: some recognize nonpeptide phosphorylated lipids and carbohydrates; other recognize antigen that have not been processed
Correct Answer: C
Rationale: TCR γδ can recognize nonpeptide antigens and unprocessed antigens.
Question 2 of 5
Protein antigens bound to complement component C3d can bind simultaneously to both and the BCR. This enables the co-receptor complex to cluster and crosslink with the BCR, inducing phosphorylation.
Correct Answer: C
Rationale: C3d binds to CD21 (CR2), linking the co-receptor to the BCR for enhanced signaling.
Question 3 of 5
Phagocytose, bacteriocidal activity, ADCC
Correct Answer: B
Rationale: Neutrophils phagocytose bacteria and perform ADCC.
Question 4 of 5
In the embryonic human, the primary lymphoid organs are initially in the yolk sac, then in the fetal , and finally in the
Correct Answer: D
Rationale: Hematopoiesis shifts from yolk sac to fetal spleen/liver, then bone marrow/thymus.
Question 5 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.