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
In a 2 months old infant undergoing surgery for biliary atresia, you would avoid one of the following anaesthetic - 
Select and explain. 
A. Thiopentone, B. Halothane, C. Propofol., D. Sevoflurane.
B: Halothane
Answer: B: Halothane 
Explanation: Ans. is 'b' i.e. Halothane Among the anesthetics given in the option, only halothane is known to cause liver toxicity. So Halothane should be avoided in a patient undergoing surgery for Biliary atresia (as the liver is already damaged).