ATI RN
Pediatric Immunizations NCLEX Questions Questions
Question 1 of 5
Toll like receptors
Correct Answer: A
Rationale: TLRs recognize PAMPs on various microbes, initiating innate responses.
Question 2 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 3 of 5
The T-cell antigenic receptor
Correct Answer: D
Rationale: The TCR recognizes antigens presented on MHC, not free antigens.
Question 4 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 5 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.