This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other topics and Adverse effects, Subject name: Pharmacology
Postoperative vomiting is uncommon with this intravenous anaesthetic agent and patients are able to ambulate sooner than those who receive other anaesthetic agents: 
Select and explain. 
A. Ketamine, B. Enflurane, C. Propofol, D. Remifentanil
C: Propofol
Answer: C: Propofol 
Explanation: (Ref: KDT 6/e p375) Propofol is the most commonly used anaesthetic agent for 'day care surgery'.