<prompt> In a 2 months old infant undergoing surgery for biliary atresia, you would avoid one of the following anaesthetic -ThiopentoneHalothanePropofol.Sevoflurane.  <response>: 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. 