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 is useful in 
Select and explain. 
A. Mania (Acute), B. Chronic Schizophrenia, C. Acute Depression, D. Pannic Disorder
C: Acute Depression
Answer: C: Acute Depression 
Explanation: C i.e. Acute depression