ATI RN
Pediatric Infectious Disease Practice Questions Questions
Question 1 of 5
Approximately $80 \%$ of blood cultures that will be positive are identified at
Correct Answer: A
Rationale: Most positive blood cultures are detected within the first 24 hours of incubation due to modern automated systems.
Question 2 of 5
The minimum interval between the 2 doses of MMR is
Correct Answer: B
Rationale: The minimum interval between MMR doses is 4 weeks per CDC recommendations.
Question 3 of 5
A 3-year-old child diagnosed with shigella infection, he can return to his daycare
Correct Answer: D
Rationale: CDC guidelines recommend two negative stool cultures after diarrhea resolves for Shigella.
Question 4 of 5
Multiple blood cultures may be required to detect bacteremia associated with
Correct Answer: C
Rationale: Brucellosis often requires multiple cultures due to low bacterial load.
Question 5 of 5
Leukocyte adhesion defects are caused by defects in the β chain of integrin (CD18), which is required for the normal process of neutrophil aggregation and attachment to endothelial surfaces. It is characterized by all the following EXCEPT
Correct Answer: C
Rationale: Ecthyma gangrenosum is not typical of leukocyte adhesion defects.