This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Psychiatry, Subject name: Medicine
[{'content': 'ECT is most useful in \nSelect and explain. \nA. Panic attack, B. Major depression, C. Schizophrenia, D. Manic depressive pyschosis', 'role': 'user'}, {'content': 'Answer: B \nExplanation: (Major depression) (98- 213- NA 6th)* Panic disorders (discrete episodes of acute anxiety)* The drug of choice ofgenerilized anxiety disorders are benzodiazepines and for panic disorder (both benzodiazepines and anti depressants* Absolute indication of ECT is (1) major severe depression with suicidal risk (This is the first and most important indication for ECT) with stupur, poor intake of food and fluids, melancholia, psychotic features (2) severe catatonia (functional) (3) severe psychosis (SZP or mania)* The only absolute contraindication is the presence of raised intracranial tension* Bilateral ECT is more effective, but unilateral ECT causes less short term memory impairments', 'role': 'assistant'}]