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
Systemic desensitization therapy is used for - 
Select and explain. 
A. Phobia, B. Depression, C. Schizophrenia, D. Organic brain syndrome
A: Phobia
Answer: A: Phobia 
Explanation: Systemic desensitization is used for phobia & OCD.