This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Alcohol-Related Disorders, Subject name: Psychiatry
Morbid jealousy is seen in: 
Select and explain. 
A. Alcoholism, B. Persons who are isolated from society, C. Social phobia, D. Depression
A: Alcoholism
Answer: A: Alcoholism 
Explanation: Ans: A (Alcoholism) Ref: Synopsis of Psychiatry, Kaplan & Sadock,10th editionExplanation:Morbid jealousy is pathological suspiciousness of fidelity of close ones, usually spouse.It is one of "overvalued ideas".An overvalued idea is also a false belief, but contrary to delusion, the person is less convinced and not sure/firm (i.e., shakeable).Morbid jealousy is seen in chronic alcoholics.