This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Psychiatry
Reciprocal inhibition is done by: 
Select and explain. 
A. Systematic desensitization, B. Flooding, C. Exposure and response prevention, D. Psychoanalysis
A: Systematic desensitization
Answer: A: Systematic desensitization 
Explanation: The principle of reciprocal inhibition is used in the technique of systematic desensitization. If an anxiety provoking stimulus is provided, while a person is in a relaxed state, the anxiety gets inhibited This is used in phobias, OCD. Flooding- Maximum stimulus is given in first response. Exposure , Response Prevention -Similar to systematic desensitisation except there is no relaxation.