ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Which of the following is a glycoprotein expressed on the surface of T helper cells, regulatory T cells, monocytes, macrophages, and dendritic cells?
Correct Answer: A
Rationale: CD4+ is expressed on T helper cells, regulatory T cells, and some innate cells like macrophages, aiding immune coordination.
Question 5 of 5
Recognize antigens bound to MHC
Correct Answer: B
Rationale: TCRs recognize antigens presented by MHC molecules, unlike BCRs which bind free antigens.