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
Premedication in anaesthesia is given for - 
Select and explain. 
A. Decreasing the dose of anaesthetic drugs, B. Decreasing post-operative complications, C. Reliving the anxiety, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Premedication advantages : anxiolysis,to decrease the dose of anesthetic and analgesic drugs,to prevent complications like aspiration,DVT Drugs used are : Anxiolytoics,sedatives,antisialogogues,anti-emetics,analgesics,antacids.