Which of the following is most appropriate for treating hyperbilirubinemia ( mg/dL) in a -week-old, breast-fed infant with normal growth and development?

Correct Answer: D

Rationale: At mg/dL, phototherapy is generally not required unless there are risk factors The infant is healthy and breastfed, so no intervention may be necessary

Correct Answer: C

Rationale: Digitalis is primarily used for heart failure and atrial fibrillation, not typically in resuscitation. Epinephrine and atropine are more relevant in emergency situations.

Correct Answer: C

Rationale: Hyperventilation compensates for metabolic acidosis by reducing COâ‚‚, which helps balance pH when bicarbonate is lost.

Correct Answer: C

Rationale: Septic shock leads to distributive shock due to widespread vasodilation and capillary leakage.

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.