This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intellectual disability, communication, autism, and ADHD, Subject name: Psychiatry
[{'content': 'Abnormality seen in ADHD is - \nSelect and explain. \nA. Hyperactivity, B. Hallucinations, C. Delusion, D. All of the above', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans is 'a' i.e. Hyperactivity o Characteristic triad of Attention deficit hyperactivity disorder includei. Hyperactivity,ii. Impulsiveness andiii. Inattention (distractibility or lack of concentration).", 'role': 'assistant'}]