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: Unknown
Fastest reversible anesthesia is given by which route - 
Select and explain. 
A. Inhalational, B. I/V, C. Local anesthesia, D. None
A: Inhalational
Answer: A: Inhalational 
Explanation: Ans - A