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': 'Maximum benefit of electroconvulsive therapy is in \nSelect and explain. \nA. Hysteria, B. Chronic schizophrenia, C. Depression with suicidal tendency, D. Mania', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Most important and most common indication for ECT is severe depression with suicidal risk. Indications of ECT\n1. Severe depression with suicidal risk or with psychotic features or with stupor.\n2. Some types of schizophrenia (catatonic or paranoid)\n3. Schizophrenic or depressive stupor\n4. Severe catatonia with stupor\n5. Severe psychoses (schizophrenia or mania) with the risk of suicide or homicide or physical assault.', 'role': 'assistant'}]