This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Psychiatry
[{'content': 'Duration required for the diagnosis of acute and transient psychosis is \nSelect and explain. \nA. 1 week, B. 2 weeks, C. 1 month, D. 6 months', 'role': 'user'}, {'content': 'Answer: B \nExplanation: If symptoms are for less than 1 months, it is a transient psychotic disorder or brief psychotic disorder as per DSM. As per ICD 10, acute psychosis is less than 2 weeks duration. Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no. 340', 'role': 'assistant'}]