This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Physiology
[{'content': 'If biliary pool is reduced, the bile acid synthesis/enterohepatic recycling of bile salts is: \nSelect and explain. \nA. Reduced, B. Increased, C. Remains the same, D. Not associated with biliary pool', 'role': 'user'}, {'content': 'Answer: B \nExplanation: The enterohepatic circulation provides an important negative feedback system on bile acid synthesis. If there is reduced availability of bile salts in circulation, it acts as a stimulus for increased enterohepatic recycling as well as increased synthesis of bile acids in the liver.', 'role': 'assistant'}]