ATI RN
NCLEX Pediatric Immunization Questions Questions
Question 1 of 5
The major components of host defense include anatomic barriers and the innate and adaptive immune systems. The adaptive immune system is made up of
Correct Answer: A
Rationale: The adaptive immune system specifically involves T and B lymphocytes, which are responsible for cell-mediated and humoral immunity, respectively.
Question 2 of 5
A 7-year-old child presented with severe stridor and abdominal pain, he gives history of recurrent episodes of nonpruritic edema lasting 48 to 72 hours, which usually triggered by stress, or anxiety. Of the following, the MOST effective treatment is
Correct Answer: A
Rationale: Purified C1-inhibitor replaces the deficient protein in hereditary angioedema, effectively resolving acute episodes.
Question 3 of 5
which of the following Receptors is not found as membrane bound or endothelial bound receptors in MACROPHAGES
Correct Answer: C
Rationale: NOD-like receptors are intracellular, not membrane-bound, unlike TLR3, TLR4, and scavenger receptors, which are surface receptors on macrophages.
Question 4 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 5 of 5
neonate immunity is mainly by
Correct Answer: C
Rationale: Neonates rely on maternal IgG transferred via the placenta for early immunity.