ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Which of the following is the correct order for a lymphocyte to be activated?
Correct Answer: B
Rationale: Lymphocyte activation follows: antigen recognition, receptor clustering, tyrosine kinase activation, and phosphorylation.
Question 2 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 3 of 5
Cortex
Correct Answer: A
Rationale: The cortex contains B cell follicles.
Question 4 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 5 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.