This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pediatrics
[{'content': 'Attention deficit hyperactivity disorder is characterized by – \nSelect and explain. \nA. Hyperactivity, B. Impulse activity, C. Poor attention, D. All of the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Attention deficity hyperactivity disorder (ADHD) \n\nADHD is one of the most common psychiatric problems in school-age population.\nIt is three times more common in boys than girls.\nADHD is characterized by an age inappropriate hyperactivity, impulsiveness and inattenton.\nHyperactivity is usually the first symptom to be noticed.\nThe disorder is divided into three classes.\nClass I (most common) -3 All three symptoms are present i.e., hyperactivity, impulsiveness and inattention. \xa0\nClass II → First two symptoms are present, i.e., hyperactivity and impulsiveness.\nClass III (Least common) → Only inattention is present.\n\nInattention\nSix or more of the following to a degree that is maladaptive and inconsistent with development level, for at least 6 months.\n\nOften fails to give close attention to details or makes careless mistakes in schoolwork, work or other activities.\nOften has difficulty in sustaining .attention in tasks on play activities.\nOften does not seem to listen when spoken to directly.\nOften does not follow through on instruction and fails to finish schoolwork, chores, duties in the workplace (not due to oppositional behaviour or failure to understand instructions).\nOften has difficulty in organising tasks and activities.\nOften avoids, dislikes, or is reluctant to engage in a task that requires sustained mental effort (such as schoolwork or homework).\nOften loses things necessary for tasks or activities (e.g., toys school assignments, pencils, books or tools).\nIs often easily distracted by extraneous stimuli.\nIs often forgetful in daily activities.\n\nHyperactivity-impulsivity\nSix or more of the following, to a degree that is maladaptive and inconsistent with development level, for at least 6 months.\n\nOften fidgets with hands or squirms in seat.\nOften leaves the seat in classroom or in other situations in which remaining seated is expected.\nOften runs about or climbs excessively in situations in which it inappropriate. In adults or adolescents, may be limited to subjects feelings of restlessness.\nOften has difficulty in playing or engaging in leisure activities.\nIs often "on the go" or often acts as if "driven by a motor".\nOften calls excessively.\nImpulsivity\nOften blurts out answers before questions have been completed.\nOften has difficulty awaiting turn.\nOften interrupts or intrudes on others (e.g., bursts in conversations or games).', 'role': 'assistant'}]