ATI RN
Pediatric Immunization NCLEX Questions Quizlet Questions
Question 1 of 5
You inject a mouse with an antigen that it has never been exposed to it before, the injection takes place at week 0 , at week 4 you inject the same mouse with the same foreign antigen, choose the right statement
Correct Answer: A
Rationale: In a primary immune response (week 0), IgM is the first antibody produced, appearing within 2-3 days, while IgG dominates the secondary response (week 4). Answer provided as A based on typical immune response kinetics.
Question 2 of 5
which of the following is wrong regarding Antimicrobial Peptides
Correct Answer: B
Rationale: Most antimicrobial peptides (e.g., defensins) are cationic, not anionic, to disrupt microbial membranes.
Question 3 of 5
Wrong about MHC molecules
Correct Answer: C
Rationale: Cross-presentation loads antigens onto MHC class I, not MHC II, for CD8 T cell activation.
Question 4 of 5
A 45-year-old female presents with anorexia and some abdominal pain. Fecal smears reveal the presence of Taenia eggs, products of a parasitic tapeworm infection. Which one of the following cells would be most effective in defense against this parasite?
Correct Answer: D
Rationale: Eosinophils are key in combating parasitic infections like tapeworms via granule release.
Question 5 of 5
a person developed an extracellular bacterial infection With the subsequent release of IGM, what is the most What is the most important function of IGM in this infection
Correct Answer: B
Rationale: IgM activates complement via the classical pathway, enhancing bacterial clearance. Answer assumed as B based on IgM function.