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
All are features of catatonia except - 
Select and explain. 
A. Automatic obedience, B. Cataplexy, C. Catalepsy, D. Negativism
B: Cataplexy
Answer: B: Cataplexy 
Explanation: Catalepsy (waxy flexibility) is seen in catatonia, not cataplexy (sudden loss of muscle tone). Cataplexy is seen in narcolepsy.