ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Granulocyte colony-stimulating factor (G-CSF) causes an increase in the production of which of the following in the bone marrow?
Correct Answer: A
Rationale: G-CSF specifically increases neutrophil production.
Question 2 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 3 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 4 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.
Question 5 of 5
CD4+ cells recognize antigen displayed on ___ MHC molecules and CD8+ cells recognize antigen displayed on ___ MHC molecules. ___ has TH1 and TH2 cell populations.
Correct Answer: C
Rationale: CD4+ cells recognize MHC class II, CD8+ cells recognize MHC class I, and CD4+ cells include TH1/TH2 subsets.