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': 'Ramu, a 22 year old single unmarried man is suffering from the sudden onset of 3rd person hallucination for the past 2 weeks. He is suspicious of his family members and had decreased sleep and appetite. The diagnosis is - \nSelect and explain. \nA. Schizophrenia, B. Acute Psychosis, C. Acute mania, D. Acute delirium', 'role': 'user'}, {'content': 'Answer: B \nExplanation: This patient has :-\n\nThird person hallucinations\nDelusions of persecution (suspicious about family members)\nNegative symptoms (decreased sleep & appetite)\n\nMore than 2 characteristic criteria are present. However the symptoms are present only for 2 weeks :-\n\nTypical symptoms of schizophrenia for → 6 months schizophrenia.\nTypical symptoms of schizophrenia for 1-6 months → schizophreniform disorders.\n\nTypical symptoms of schizophrenia for less than 1 months → Acute schizophrenia-like psychotic disorder\xa0(brief psychotic disorder).', 'role': 'assistant'}]