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 patient with alcoholic liver failure requires general anaesthesia for surgery. The agent to be used – 
Select and explain. 
A. Ether, B. Halothane, C. Methoxyflurane, D. Isoflurane
D: Isoflurane
Answer: D: Isoflurane 
Explanation: Isoflurane is the volatile agent of choice in liver disease as it has the least effect on hepatic blood flow.