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
[{'content': 'Which of the following is related to Ganser syndrome in a patient who is apparently healthy physically? \nSelect and explain. \nA. Approximate answer, B. Ataxia, C. Confusion, D. Repeated answers', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ganser syndrome (hysterical pseudodementia) is a condition in which the patient exhibits symptoms of an apparent dementia or psychosis that are too exaggerated or inconsistent to fit such a diagnosis. The patient may exhibit vorbeireden, a phenomenon in which the patient's incorrect answers imply knowledge of the correct answer. It is usually associated with global amnesia for a crime and a dissociative shut-down of intellectual processes, producing apparent dementia. Ref: Nurcombe B. (2008). Chapter 24. Dissociative Disorders. In M.H. Ebe, P.T. Loosen, B. Nurcombe, J.F. Leckman (Eds), CURRENT Diagnosis & Treatment: Psychiatry, 2e.", 'role': 'assistant'}]