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
Which of the following drug is not used in Jorgenson technique: 
Select and explain. 
A. Pentobarbitol., B. Scopolamine., C. Propofol., D. Pethidine.
C: Propofol.
Answer: C: Propofol. 
Explanation: Jorgenson technique includes intravenous administration of opioids. The drugs used in Jorgenson technique are:

Pentobarbitol
Mepiridine
Scopalamine (Hyoscine)
Pethidine, etc.