In neonatal HSV encephalitis, skin vesicles occur in approximately

Correct Answer: C

Rationale: Skin vesicles are present in about 60% of neonatal HSV encephalitis cases.

Correct Answer: D

Rationale: Adenovirus types 4 and 7 vaccines are used in military populations.

Correct Answer: C

Rationale: Symptomatic giardiasis is more common in children than adults.

Correct Answer: B

Rationale: Acute polyhydramnios (sudden amniotic fluid increase) is most often linked to hydrops fetalis (B), impairing fetal swallowing or circulation, unlike cleft palate (A), labor (C), esophageal atresia (D, gradual), or meningomyelocele (E).

Correct Answer: C

Rationale: Respiratory distress syndrome (RDS, C) is the leading cause of death in preterm infants due to surfactant deficiency, outranking trauma (A), asphyxia (B), meconium aspiration (D), or PPHN (E).