ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 of 5
Extracellular pathogen response involves ___ T cells and ___ MHC molecules. Intracellular pathogen response involves ___ T cells and ___ MHC molecules.
Correct Answer: C
Rationale: CD4+ with MHC II targets extracellular pathogens; CD8+ with MHC I targets intracellular pathogens.
Question 2 of 5
Type I interferon is released in response to ___, which is recognized using a pattern-recognition molecule called Toll-like receptor 3.
Correct Answer: D
Rationale: TLR3 recognizes double-stranded RNA, triggering type I interferon release.
Question 3 of 5
Which of the following is NOT a major function of complement activation?
Correct Answer: C
Rationale: Complement does not directly stimulate T cells; it enhances B cells and innate responses.
Question 4 of 5
A 4-year-old boy presents with chronic granulomatous disease (CGD), confirmed with a nitro blue tetrazolium (NBT) test. Which of the following pathogens could this child still mount a defense against?
Correct Answer: D
Rationale: CGD impairs oxidative burst; Streptococcus is less reliant on this for clearance.
Question 5 of 5
Increase mucus secretion and smooth muscle contraction
Correct Answer: A
Rationale: Trypase and chymotrypsin from mast cells enhance mucus production and smooth muscle contraction to expel parasites.