Attention deficit hyperactivity disorder (ADHD) Quiz: Ace Your Exams

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An 8-year-old boy is brought by his parent to the pediatrician for evaluation of poor school performance and disruptive behavior over the past year. His parent reports that he frequently fidgets, interrupts others, and blurts out answers during class. He has difficulty completing homework and chores, often leaving tasks unfinished. His classmates have teased him about these behaviors. He does not have any recent emotional or physical stressors, and he is otherwise healthy. The patient has no specific complaints and simply says he “wants to play video games.” Vital signs are within normal limits, and the physical examination is unremarkable. Which of the following historical findings is most strongly associated with this patient’s likely diagnosis?

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History of recurrent streptococcal pharyngitis

Mother with a history of smoking cigarettes

Biological father with history of alcohol-use disorder

Brother with a history of depression

History of prematurity