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
ECT in depressive phase of MDP is useful because it- 
Select and explain. 
A. Produces recurrence, B. Reduces recurrence, C. Shortens duration, D. Increases drug effects
C: Shortens duration
Answer: C: Shortens duration 
Explanation: ECT shortens the duration of depressive episode. It doesn’t prevent the recurrence unless given as a maintenance treatment.