A 21 year old man with nausea, vomiting and jaundice has the…
A 21 year old man with nausea, vomiting and jaundice has the following laboratory findings: Total serum bilirubin 8.5 mg/dl (0 – 0.1 mg/dl) Conjugated serum bilirubin 6.1 mg/dl (0 – 0.5 mg/dl) Urine urobilinogen increased Fecal urobilinogen decreased Urine bilirubin positive (negative) AST 300 U/L (0 – 50 U/L) ALP 900 U/L (0 – 150 U/L) These results can best be explained as representing: (14.15)