Marker for biliary tract obstruction -
High-Yield Explanation
Answer-A. Alkaline phosphataseEnzymes that reflect cholestasisAlkaline phosphatase5'- nucleotidaseGamma-glutamyl transpeptidase (GGT)Lipoprotein-X is an abnormal lipoprotein that appears in the sera of patients with obstructive jaundice and thus is a sensitive indicator of cholestasis.