You are meeting parents of a -year-old boy who has normal developmental milestone and social interaction; they have older child with autism; they have a concern about having this young kid with autism as well. You state that most children with autism have clinical manifestations by the age of

Correct Answer: A

Rationale: Signs of autism typically emerge by the second or third year of life, though earlier detection is possible.

Correct Answer: C

Rationale: Phenylketonuria does not typically present with atopic dermatitis-like symptoms.

Correct Answer: A

Rationale: Frequent beta-agonist use can cause tremors, irritability, tachycardia, and hypokalemia, but bradycardia is not a common side effect.

Correct Answer: C

Rationale: When used with a reservoir, the Ambu bag delivers nearly 100% oxygen, essential for emergency resuscitation.

Correct Answer: D

Rationale: Stage 1 hypertension in children is defined as blood pressure levels between the 95th and 99th percentile for age, height, and sex.