This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Schizophrenia Spectrum and Other Psychotic Disorders, Subject name: Psychiatry
[{'content': 'All of the following are features of catatonia except: \nSelect and explain. \nA. Automatic obedience, B. Cataplexy, C. Catalepsy, D. Negativism', 'role': 'user'}, {'content': "Answer: B \nExplanation: DSM-5 Diagnostic Criteria for Catatonia Associated with Another Mental Disorder Clinical picture is dominated by three or more of the following symptoms Stupor - state of unresponsiveness Catalepsy - passive induction of a posture held against gravity Waxy flexibility - slight, even resistance to positioning by examiner Mutism - no or very little verbal response Negativism - opposition or no response to external stimuli Posturing - maintain same posture for long duration Mannerism -odd, circumstantial caricature of normal actions Stereotypy - repetitive no -goal- directed movements Agitation - not influenced by external stimuli Grimacing Echolalia - mimicking's another's speech Echopraxia - mimicking 's another 's movements Cataplexy is a feature of narcolepsy.", 'role': 'assistant'}]