4. The following laboratory results are determined on a patient with a suggested diagnosis of biliary obstruction: Serum total bilirubin-increased Urine bilirubin-increased Serum conjugated bilirubin-normal Fecal urobilin-decreased Which laboratory result is the least consistent with such a diagnosis? B. Serum conjugated bilirubin A. Serum total bilirubin C.Fecal urobilin D. Urine bilirubin​