<prompt> Severity in acute hepatitis is best estimated by:Serum bilirubinProthrombin timea-glutaryl transferaseAlkaline phosphatase  <response>: Laboratory findings in Acute Hepatitis WBC count normal to low pre icteric phase Large atypical lymphocytes Mild proteinuria Bilirubinuria AST, ALT strikingly elevated Elevated Bilirubin and alkaline phosphatase Marked prolongation of prothrombin time. 