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: Psychiatry
[{'content': 'A 20 year old man has presented with increased alcohol consumption and sexual indulgence, irritability, lack of sleep, and not feeling fatigued even on prolonged periods of activity. All these changes have been present for 3 weeks. The most likely diagnosis is - \nSelect and explain. \nA. Alcohol dependence, B. Schizophrenia, C. Mania, D. Impulsive control disorder', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Diagnostic criteria for mania\nThree or more of the following for at least 1 week:-\n\nInflated self esteem or grandiosity\xa0\xa0\xa0\xa0 \nDecreased need for sleep\xa0\xa0\xa0\xa0\xa0\xa0\xa0 \nOvertalkativeness\xa0\xa0 \nFlight of ideas \nDistractibility\nPsychomotor agitation or Increased goal-directed activities\nExcessive involvement in pleasurable activities\n\nComing to question\nThis patient has (for 3 weeks):-\n\nDecreased need for sleep\nExcessive involvement in pleasurable activities (sexual indulgence, increased alcohol consumption)\nIncreased activity (prolonged period of activity)\n\nDiagnosis is mania.', 'role': 'assistant'}]