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
Anaesthesia of choice in renal failure – 
Select and explain. 
A. Methoxy flurane, B. Isoflurane, C. Enflurane, D. None
B: Isoflurane
Answer: B: Isoflurane 
Explanation: Desflurane is the inhalational agent of choice in renal diseases. Isoflurane is an alternative.