This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Anxiety Disorders, Subject name: Psychiatry
A person going to temple gets irresistible sense of ideas to abuse God, which cannot be resisted, likely diagnosis is : 
Select and explain. 
A. Obsessive compulsive disorder, B. Mania, C. Schizophrenia, D. Delusion
A: Obsessive compulsive disorder
Answer: A: Obsessive compulsive disorder 
Explanation: Ans. is 'a' obsessive compulsive disorder The person is suffering from obsessive compulsive disorder because he knows that the thoughts coming in his mind (to abuse god) are absurd & irrational (he is trying to resist it). This shows that the thoughts are "ego alien".This obsession or thought is followed by a behaviour which is performed with a sense of compulsion. So the diagnosis is O.C.N.