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': 'In catatonic schizophrenia which is not found : \nSelect and explain. \nA. Waxy flexibility, B. Automatic Obedience, C. Somatic passivity, D. Gegenhalten', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Ans. C.MOTOR/CATATONIC SYMPTOMS:"Catatonic" term coined by "Karl Kahlbaum".Symptoms include, Stupor - Extreme hypoactivity or immobility.Excitement - Extreme hyperactivity (non-goal oriented).Posturing/catalepsy - Spontaneous maintenance of posture for long periods of time.Waxy flexibility- On passive movement on patient, plastic resistance felt resembling bending of soft wax.Automatic obedience - Excessive cooperation with examiner\'s commands despite unpleasant consequences.Echolalia - Mimicking of examiner\'s speech.Echopraxia- Mimicking of examiner\'s movements.Grimacing -Maintenance of odd facial expressions.Stereotypy - Spontaneous repetition of odd, purposeless movements (Strange movements of fingers repeatedly).Gegenhalten - Resistance to passive movement (Opposed to strength applied).Mannerisms - Spontaneous repetition of odd, purposeful movements.Perseveration - Senselessly repeated induced movement (Only on instruction) - Sign of brain damage (Organic brain disorders).Ambitendency - Inability to decide desired motor movement.', 'role': 'assistant'}]