This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Miscellaneous, Subject name: Psychiatry
[{'content': 'Delusion is not a feature of? \nSelect and explain. \nA. Depression, B. Anxiety, C. Schizophrenia, D. Mania', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Anxiety Delusion* A delusion is false, firm (unshakeable) belief that is not accepted by other members of patient's culture and society.* To the patient, there is no difference between a delusional belief and a true belief-they are same experience. Therefore, only external observer can diagnose a delusion.* The delusion is false because of faulty reasoning.* It is out of keeping with the patient's social and cultural background.* It is firmly held (unshakable) despite objective and obvious contradictory proof or evidence, and despite the fact that other members of culture do not share the belief.* Delusions are seen in psychosis (Schizophrenia, Mania, depression, other psychotic disorder-delusional disorders and schizoaffective disorders) and organic mental disorders (Delirium, substance abuse or withdrawal).* Delusions are not seen in neurosis Anxiety, obsessive - compulsive disorder, Dissociative (conversion) disorders, somatoform disorders, stress related disorders", 'role': 'assistant'}]