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: Surgery
Sedation by which of the following routes can be reversed most rapidly: 
Select and explain. 
A. Oral, B. Inhalation, C. Intravenous, D. Intramuscular
B: Inhalation
Answer: B: Inhalation 
Explanation: None