ATI RN
Pediatric Immunization NCLEX Questions Questions
Question 1 of 5
The transporter associated with antigen presentation (TAP) the peptides to traverse the membrane bilayer of the endoplasmic reticulum and bind in the empty peptide-binding groove of nascent MHC molecules being synthesized in the endoplasmic reticulum.
Correct Answer: A
Rationale: TAP transports peptides into the ER for loading onto MHC Class I, not Class II.
Question 2 of 5
Phagocytose, bacteriocidal activity, ADCC
Correct Answer: B
Rationale: Neutrophils phagocytose bacteria and perform ADCC.
Question 3 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 4 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 5 of 5
Which of the following has the surface marker CD34 instead of the surface marker CD19, during B cell development?
Correct Answer: A
Rationale: CD34 is on hematopoietic stem cells; CD19 appears at the pro-B stage.