This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Intravenous Anesthetic Agents, Subject name: Anaesthesia
[{'content': 'Anticholinergic which can be used as sedative and antiemetic premedication is \nSelect and explain. \nA. Atropine, B. Glycopyrrolate, C. Hyoscine, D. Edrophonium', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Hyoscine, also known as scopolamine, is a medication used to treat motion sickness and postoperative nausea and vomiting. It is also sometimes used before surgery to decrease saliva. When used by injection, effects begin after about 20 minutes and last for up to 8 hours.', 'role': 'assistant'}]