ATI RN
Pediatric Infectious Diseases Questions
Question 1 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 2 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 3 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.
Question 4 of 5
Preterm infant, weight $1600 \mathrm{gm}$, should not receive the following vaccine at birth
Correct Answer: D
Rationale: MMR is contraindicated at birth; it’s typically given at 12-15 months of age.
Question 5 of 5
Fever is defined as a rectal temperature of
Correct Answer: C
Rationale: Fever is typically defined as a rectal temperature of 38°C or higher.