<prompt> In a 2 months old infant undergoing surgery for biliary atresia, you would avoid one of the following anaestheticThiopentoneHalothanePropofol.Sevoflurane  <response>: B i.e. Halothane Among all these options only halothane is hepatotoxic so it should be avoided Lets revise some impoant facts. All coagulation factors with exception of factor VIII 8 von wille brand factor are produced by liverQ Vit K is necessary for synthesis of prothrombin factor II and factor VII, IX and XQ. PT is normally 11-14 seconds, mesures the activity of fibrinogen, prothrombin and factors, V, VII, and XQ All opioids cause spasm of sphincter of oddi increase biliary pressure Halothane hepatitis is more common in middle age, obese, female sex, and a repeated exposure esp with in 28 days 