ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
The earliest clinical feature of ataxia-telangiectasia is
Correct Answer: A
Rationale: Ataxia, due to cerebellar degeneration, is typically the earliest sign of ataxia-telangiectasia, appearing in early childhood.
Question 2 of 5
A 3-year-old boy presented with recurrent subcutaneous abscesses, lymphadenitis, osteomyelitis, and family history of recurrent infections. The hallmark of this condition is
Correct Answer: D
Rationale: Chronic granulomatous disease (CGD) is marked by granuloma formation due to defective phagocyte killing, leading to recurrent abscesses.
Question 3 of 5
Phagocytic white cells (leukocytes, e.g. macrophages) congregate within when foreign organisms get through a cut in the skin.
Correct Answer: D
Rationale: Phagocytes like macrophages take hours to congregate at an infection site via chemotaxis, as this involves signaling, migration, and accumulation after a breach in the skin.
Question 4 of 5
Which of the following is NOT true when comparing innate to adaptive immunity?
Correct Answer: C
Rationale: Innate immunity lacks immunologic memory, while adaptive immunity has it, making option c the incorrect statement.
Question 5 of 5
How many doses of the Hepatitis B vaccine (5 μg HBsAg in 0.5 mL intramuscular) are required to reach a protective level of antibody?
Correct Answer: C
Rationale: The standard Hepatitis B vaccine requires three doses to achieve protective antibody levels, typically at 0, 1, and 6 months.