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: Pharmacology
Which of the following general anesthetics is given by intravenous route? 
Select and explain. 
A. Propofol, B. Sevofluorane, C. Naloxone, D. Flumazenil
A: Propofol
Answer: A: Propofol 
Explanation: Propofol  
Currently, propofol has superseded thiopentone as an i.v. anaesthetic, both for induction as well as maintenance. It is an oily liquid employed as a 1% emulsion.