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
Which of the following sign is not a pa of catatonia? 
Select and explain. 
A. Akathisia, B. Ambivalence, C. Ambitendency, D. Akinesia
A: Akathisia
Answer: A: Akathisia 
Explanation: Akathisia is a side effect of antipsychotics. Ambivalence might be confusing here, but please remember ambitendency is nothing but ambivalence of motor movements. Akinesia, which is lack of voluntary movements is another term for stupor.