This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Psychiatry
Which is not used for narcoanalysis 
Select and explain. 
A. Scopolamine, B. Hyoscine, C. Thiopentone, D. Ketamine
D: Ketamine
Answer: D: Ketamine 
Explanation: Drugs used for narcoanalysis are- Thiopentone (Sodium Pentothal) Amobarbital (Sodium amytal) Scopolamine (Hyoscine) Reference: Kaplon and sadock, 11 th edition, synopsis of psychiatry, 11 th edition, pg no. 945