ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Which of the following are pluripotential, self-renewing CD34+ cells?
Correct Answer: A
Rationale: HSCs are pluripotent, self-renewing, and express CD34.
Question 2 of 5
Cortex
Correct Answer: A
Rationale: The cortex contains B cell follicles.
Question 3 of 5
During B cell development, negative selection occurs in an attempt to ensure the antigen receptor:
Correct Answer: D
Rationale: Negative selection eliminates B cells that bind self-antigens to prevent autoimmunity.
Question 4 of 5
What surface immunoglobulins are present once an immature B cell becomes a mature (peripheral) B cell?
Correct Answer: D
Rationale: Mature B cells express both IgM and IgD on their surface.
Question 5 of 5
Where are single-positive (SP) cells found?
Correct Answer: D
Rationale: SP cells mature in the thymus medulla after positive and negative selection.