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: Surgery
In Jorgensen technique on IV sedation for dental procedure drugs used are 
Select and explain. 
A. Pentobarbital, B. Mepiridine, C. Scopalamine, D. All the above
D: All the above
Answer: D: All the above 
Explanation: None