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
Gilbe syndrome - True is 
Select and explain. 
A. Reduced activity of glucoronyl transferase, B. Causes indirect hyperbilirubinemia, C. Not required any treatment, D. All of the above
D: All of the above
Answer: D: All of the above 
Explanation: Gilbe&;s disease : It is inherited as an autosomal dominant trait.The defect is in the uptake of bilirubin by liver.Bilirubin level is usually around 3mg/dl, and the patient is asymptomatic except for the presence of mild jaundice. Reduction of hepatic bilirubin glucoronidating activity to about 30% of normal levels.It is detected in the adult life,typically in association with stress,such as an intercurrent illness,strenous exercise,or fasting. Ref : ROBBINS AND COTRAN PATHOLOGIC BASIS OF DISEASES,7 TH EDITION,PG NO:888