ATI RN
NCLEX Pediatric Immunization Questions Questions
Question 1 of 5
Which of the following is least important in fighting extracellular pathogen
Correct Answer: C
Rationale: CD8 lymphocytes target intracellular pathogens (e.g., viruses), not extracellular ones, which are primarily handled by macrophages, B cells, and CD4 cells.
Question 2 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 3 of 5
Pattern recognition receptors (PRR) can be found on
Correct Answer: C
Rationale: PRRs are expressed on dendritic cells (and other innate cells) to recognize PAMPs.
Question 4 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 5 of 5
An anti-inflammatory cytokine is a
Correct Answer: D
Rationale: IL-10 is a key anti-inflammatory cytokine, suppressing immune responses.