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
An obsessive compulsive neurosis patient is likely to develop 
Select and explain. 
A. Hallucination, B. Depression, C. Delusion, D. Schizophrenia
B: Depression
Answer: B: Depression 
Explanation: B i.e. DepressionDepression is most common psychological feature in: * OCN leads to secondary depressionQAIDSQ * Pseudo dementia & Nihilistic delusionsPost paumQ/ Post myocardial infarctionQ are seen in depressionQPost surgeryMyxedema