An otherwise healthy 3-week-old boy is brought to the physician's office because of jaundice and dark urine for the past 2 weeks. He has hepatomegaly, and his stools are loose, clay colored, and acholic. Serum conjugated bilirubin concentration is increased. Which of the following is the most likely cause of the hyperbilirubinemia?
(A) Defect in cholesterol synthesis
(B) Deficiency of glucuronosyltransferase
(C) Hemolysis
(D) Inflammation of the terminal ileum
(E) Obstruction of the biliary system
(A) Defect in cholesterol synthesis
(B) Deficiency of glucuronosyltransferase
(C) Hemolysis
(D) Inflammation of the terminal ileum
(E) Obstruction of the biliary system