ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Which one of the following cytokines plays the most important role in protection against intracellular growth (reactivation) of Mycobacterium tuberculosis?
Correct Answer: A
Rationale: IFN-γ activates macrophages to kill intracellular Mycobacterium tuberculosis.
Question 2 of 5
If a virus snuck into the body, which of the following would you expect to be the last killer?
Correct Answer: C
Rationale: Helper T cells act indirectly via cytokines, making them the last to contribute to killing compared to direct cytotoxic mechanisms.
Question 3 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 4 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 5 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.