This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gall Bladder & Bile Ducts, Subject name: Surgery
[{'content': "Ductopenia seen in \nSelect and explain. \nA. Primary biliary cholangitis, B. Alagille syndrome, C. Caroli's disease, D. EHPVO", 'role': 'user'}, {'content': 'Answer: B \nExplanation: Ans. (b) Alagille syndromeRef: Internet Sources* Alagille syndrome is an autosomal dominant genetic disorder affecting liver and heart commonly.* Bile duct paucity is the common manifestation which results in Cirrhosis and Liver failure', 'role': 'assistant'}]