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ADHD — USMLE Step 3 MCQ

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ModeratePediatrics (well-child, chronic management)ADHDUSMLE Step 3

An 8-year-old boy has 9 months of inattention, impulsivity, and disruptive behavior at school and home. Symptoms impair grades and peer relationships. Vision and hearing are normal. Which of the following is the most likely diagnosis?

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Correct answer: C — Attention-deficit/hyperactivity disorder

ADHD requires persistent impairing symptoms in more than one setting after assessing for alternative explanations.

Reference: American Academy of Pediatrics clinical practice guidance and Bright Futures preventive care