ATI RN
Pediatric Infectious Diseases Questions
Question 1 of 5
A 3-year-old-boy presented with fever 6 days ago associated with periungual desquamation. Examination showed a strawberry tongue, cervical lymphadenopathy, truncal polymorphous rash. The rash in this patient occurs in
Correct Answer: D
Rationale: In Kawasaki disease, as described, a polymorphous rash occurs in nearly 100% of cases as part of diagnostic criteria.
Question 2 of 5
Hematocrit is normally higher in adolescent boys than girls; this difference in value is mainly due to
Correct Answer: A
Rationale: Higher hematocrit in boys (A) results from androgen-driven erythropoiesis during puberty, more significant than menstrual loss (B), diet (C), growth timing (D), or mineral use (E).
Question 3 of 5
An 8-year-old girl is brought by her mother to your clinic with high concern about breast mass; you find a well nourished; normally developed girl with asymmetrical; tender pea-size right breast mass just beneath the nipple. Of the following, the MOST appropriate action is to
Correct Answer: A
Rationale: Asymmetrical, tender subareolar mass at 8 suggests early thelarche (puberty onset), a normal variant, warranting reassurance (A). Hormones (B), U/S (C), mammography (D), or FNA (E) are unnecessary without red flags.
Question 4 of 5
The IgM response occurs earlier in the illness, generally peaking at 7-10 days after infection, and usually disappears within a few weeks, but for some infections it can persist for months such as
Correct Answer: D
Rationale: Hepatitis A is known for a prolonged IgM response that can persist for months, unlike the others which typically wane faster.
Question 5 of 5
The MOST common adverse reaction to intramuscular immunoglobulin is
Correct Answer: A
Rationale: Pain at the injection site is the most frequent side effect of intramuscular immunoglobulin administration.