ATI RN
NCLEX Pediatric Immunization Questions Questions
Question 1 of 5
B and T cells are produced by stem cells that are in:
Correct Answer: A
Rationale: B and T cells originate from hematopoietic stem cells in the bone marrow.
Question 2 of 5
In the classical pathway, the antibody activated the C1 complex consisting of C1q, C1r & C1s subunit. Which of the following subunit binds to the antibody
Correct Answer: A
Rationale: C1q binds to the Fc region of antibodies, initiating the classical pathway.
Question 3 of 5
An anti-inflammatory cytokine is a
Correct Answer: D
Rationale: IL-10 is a key anti-inflammatory cytokine, suppressing immune responses.
Question 4 of 5
The viral infection in the above question began in the respiratory tract. Which antibody class would best protect respiratory epithelial cells from viral infection?
Correct Answer: A
Rationale: IgA is the primary antibody protecting mucosal surfaces like the respiratory tract.
Question 5 of 5
Dendritic cells, macrophages, and what other cell types are considered 'professional antigen presenting cells,' capable of antigen presentation to T helper cells?
Correct Answer: A
Rationale: B cells, dendritic cells, and macrophages are professional APCs expressing MHC II.