This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal tract, Subject name: Pediatrics
In a child presenting with obstructive jaundice all are seen except 
Select and explain. 
A. Gamma glutamyl transpeptidase, B. Alkaline phosphatase, C. Glutamate dehydrogenase, D. 5' Nucleotidase
C: Glutamate dehydrogenase
Answer: C: Glutamate dehydrogenase 
Explanation: .lab investigations in obstructive jaundice gamma glutamyl transpeptidase:>50IU/L Serum bilirubin:>1mg%direct 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