Food protein-induced enterocolitis syndrome is characterized by all the following EXCEPT

Correct Answer: D

Rationale: Soy protein-based formula can also trigger symptoms in food protein-induced enterocolitis syndrome, making it a poor treatment choice.

Correct Answer: B

Rationale: Ultrasound is the preferred imaging technique for screening IVH in premature infants, not MRI. The other statements are true regarding IVH.

Correct Answer: A

Rationale: First-generation antihistamines cross the blood-brain barrier and commonly cause sedation.

Correct Answer: C

Rationale: Croup is more common in males, affecting young children with a characteristic barking cough and stridor. Parainfluenza virus is the leading cause, with peak incidence around 6 months to 3 years.

Correct Answer: A

Rationale: First-generation antihistamines cross the blood-brain barrier and commonly cause sedation.