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: Anaesthesia
A 38 year old man is posted for extraction of last molar tooth under general anaesthesia as a day care case. He wishes to resume his work after 6 hours. Which one of the following induction agents is preferred: 
Select and explain. 
A. Thiopentone sodium, B. Ketamine, C. Diazepam, D. Propofol
D: Propofol
Answer: D: Propofol 
Explanation: D i.e. Propofol