The hallmark of atopic dermatitis is

Correct Answer: A

Rationale: Intense pruritus is the hallmark of atopic dermatitis, often leading to scratching, lichenification, and secondary skin infections.

Correct Answer: C

Rationale: Galactosemia does not typically cause hyperinsulinemic hypoglycemia

Correct Answer: B

Rationale: Patients with chronic hemolytic anemia receiving more than 8-10 transfusions require iron chelation to prevent iron overload complications.

Correct Answer: A

Rationale: The 'triangular cord' sign, a fibrotic remnant of bile ducts, is a characteristic ultrasound finding in biliary atresia.

Correct Answer: C

Rationale: Serotonin reuptake inhibitors (SSRIs) are preferred over older medications like tricyclics due to better safety profiles and efficacy in pediatric depression.