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A healthy 8-year-old boy is brought to the office by his parents for an annual checkup. Both parents express concern about their son's behavior. The mother says, "He never listens and I am always worried that he is going to run out into the street without looking. He rarely sits still and is always running and jumping on the furniture." The father adds, "He talks all the time, interrupts me when I'm speaking, and, despite multiple reminders, forgets to do his chores and misplaces or loses his books or sporting equipment. We thought he would grow out of it as he got older, but it seems to be getting worse." Physical examination is unremarkable. Which of the following would be most helpful in establishing the diagnosis?
Adrenocorticotropic Hormone
A hormone produced by the pituitary gland that stimulates the adrenal glands to release cortisol, a stress response hormone.
Cortisol
A steroid hormone produced by the adrenal glands, often referred to as the "stress hormone" due to its role in the body's stress response.
Fight-Or-Flight Responses
A physiological reaction that occurs in response to a perceived harmful event, attack, or threat to survival.
Patellar Reflexes
A knee-jerk response triggered by tapping the patellar tendon, used to assess the nervous system.
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