ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
The T-cell antigenic receptor
Correct Answer: D
Rationale: The TCR recognizes antigens presented on MHC, not free antigens.
Question 2 of 5
A very high serum concentrations of one or more immunoglobulin classes, suggest all the following EXCEPT
Correct Answer: C
Rationale: Intestinal lymphangiectasia causes protein loss, including immunoglobulins, leading to low, not high, levels. The others can elevate immunoglobulins due to infection or inflammation.
Question 3 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 4 of 5
Recurrent infections with neutropenia are a distinctive feature of
Correct Answer: D
Rationale: GSDIb impairs neutrophil function and production due to glucose-6-phosphate transporter defects, leading to recurrent infections.
Question 5 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.