This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia and other psychotic disorders, Subject name: Psychiatry
other name of othello syndrome is called as 
Select and explain. 
A. delusion of infedility, B. delusion of love, C. delusion of doubles, D. delusion of persecution
A: delusion of infedility
Answer: A: delusion of infedility 
Explanation: othello syndrome is called as delusion of marital infedility othello syndrome is common in alcoholic males this is is the most repeatedly asked question in entrance examinations the possible mechanism that is told for othello syndrome is that alcohol causes sexual dysfunction in males and thus inturn results in doubting the fidelity of the paner Ref.Kaplon and Sadock, synopsis of psychiatry,11th edition, pg.No.333