This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Preoperative assessment and monitoring in anaesthesia, Subject name: Anaesthesia
Drugs commonly used in pre-anaesthetic medication are all except 
Select and explain. 
A. Diazepam, B. Scopolamine, C. Morphine, D. Succinyl choline
D: Succinyl choline
Answer: D: Succinyl choline 
Explanation: Succinylcholine is a neuro muscular blocker used during induction of General anaesthesia. Drugs used in premedication include benzodiazepines like midazolam, diazepam; opioids like morphine, fentanyl; anticholinergics like atropine, scopolamine, glycopyrrolate.