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
If bile acid pool is small, recycling is: 
Select and explain. 
A. Slow, B. Fast, C. Moderate, D. Any of the above
B: Fast
Answer: B: Fast 
Explanation: The total bile acid pool of approximately 3.5 g recycles repeatedly via the enterohepatic circulation; it has been calculated that the entire pool recycles twice per meal and 6–8 times per day.
Reference: Ganong’s Review of Medical Physiology T W E N T Y - F I F T H   E D I T I O N page no 464