<prompt> In a child presenting with obstructive jaundice all are seen exceptGamma glutamyl transpeptidaseAlkaline phosphataseGlutamate dehydrogenase5 Nucleotidase  <response>: .lab investigations in obstructive jaundice gamma glutamyl transpeptidase:50IUL Serum bilirubin:1mgdirect is increased serum albumin globulin ratio prothrombin time serum alkaline phosphatase,SGOT,SGPT,5;nucleotidase ERCP TLC BAILEY AND LOVE;S SHO PRACTICE OF SURGERY,24 th edition, PG NO:696 