ATI RN
Infectious Disease Pediatric Questions
Question 1 of 5
Human herpesvirus 6 (HHV-6A and HHV-6B) and human herpesvirus 7 (HHV-7) cause infection in infancy and early childhood. HHV-6B is responsible for the majority of cases of roseola infantum (exanthema subitum or sixth disease). All the following are true EXCEPT
Correct Answer: D
Rationale: Congenital HHV-7 infection is not well recognized.
Question 2 of 5
The leading protozoal cause of diarrhea in children worldwide is
Correct Answer: D
Rationale: Cryptosporidium is the most common protozoal cause of diarrhea in children globally.
Question 3 of 5
Twin-to-twin transfusion syndrome suggested by
Correct Answer: C
Rationale: Twin-to-twin transfusion syndrome (TTTS) is diagnosed with >20% weight discordance and >5 g/dL hemoglobin difference (C), reflecting significant vascular shunting, per standard criteria.
Question 4 of 5
The palmar grasp is gone by 4 months of age and present by gestational age of
Correct Answer: C
Rationale: Palmar grasp appears at ~32 weeks gestation (C) and persists until ~4 months post-term, consistent with reflex development timelines.
Question 5 of 5
Severe cold injury in an infant is manifested by all the following EXCEPT
Correct Answer: D
Rationale: Severe hypothermia causes acidosis (A), bradycardia (B), hypoglycemia (C), and cyanosis (D). Pulmonary hemorrhage (E) is linked to prematurity or RDS, not cold injury directly.