This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Symptoms & Signs , Subject name: Psychiatry
Delusions are features of all except - 
Select and explain. 
A. Delirium, B. Schizophrenic, C. OCD, D. Alcohol withdrawal
C: OCD
Answer: C: OCD 
Explanation: Ans. is 'c' i.e., OCDDelusions are seen in psychotic disorders Organici) Delirium (Acute confusional state)ii) Substance :- Abuse (alcohol, amphetamines) and withdrawal (alcohol).2) Non organici) Schizophreniaii) Affect/mood disorders (Mania & depression)iii) Other non-organic psychosis :- Delusional disorders, Schizoaffective disorders.Delusions are not seen in neurotic disorders - Anxiety disorders obsessive-compulsive disorders, Dissociative (conversion) disorders, Somatoform disorders, Stress-related disorders.