ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
which of the following increases by 1000 fold in inflammation
Correct Answer: B
Rationale: C-reactive protein (CRP), an acute-phase protein, increases dramatically (up to 1000-fold) during inflammation.
Question 2 of 5
Which of the following has hyper gene recombination for its receptors during maturation
Correct Answer: A
Rationale: Alpha-beta T cells undergo V(D)J recombination for diverse TCRs, unlike gamma-delta T cells or innate cells.
Question 3 of 5
A 36-year-old woman with severe allergy to yellow jackets was stung multiple times at a soccer game. Within minutes she developed respiratory distress and became unconscious. Which mediator is primarily responsible for this reaction?
Correct Answer: C
Rationale: Histamine, released by mast cells in anaphylaxis, causes rapid respiratory distress and hypotension.
Question 4 of 5
Which one of the following cells is the source of TNF-α IL-1, IL-12 ?
Correct Answer: B
Rationale: Macrophages produce TNF-α, IL-1, and IL-12 as key inflammatory cytokines.
Question 5 of 5
The membrane attack complex consists of five different complement proteins C5, C6, C7, C8, and C9. Which of the following subunits bind to the surface and provide a binding site for a subsequent component?
Correct Answer: B
Rationale: C5b binds to the target membrane, initiating MAC assembly with C6-C9.