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 of alcohlic liver failure requires general anesthesia AOC is – 
Select and explain. 
A. Ether, B. Halothane, C. Isoflurane, D. Methoxyflurane
C: Isoflurane
Answer: C: Isoflurane 
Explanation: Isoflurane is the volatile agent of choice for maintenance in liver diseases as it has the least effect on hepatic blood flow.