ATI RN
Ricci Maternity and Pediatrics NCLEX Question Immunization Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Potent inducer of apoptosis
Correct Answer: C
Rationale: Fas ligand on cytotoxic T cells binds Fas on target cells, potently inducing apoptosis.
Question 5 of 5
DNA vaccines (tested in mice) use the gene for the immunogenic protein and coat it with what element, which is injected into cells and results in antibody production?
Correct Answer: D
Rationale: DNA vaccines use gold particles to deliver genes into cells, triggering protein expression and antibody production.