This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Gastrointestinal System, Subject name: Physiology
[{'content': 'Bile flow in the duodenum occurs during which phase of the MMCs? \nSelect and explain. \nA. Phase I, B. Phase II, C. Phase III, D. It occurs during all phases continuously', 'role': 'user'}, {'content': 'Answer: B \nExplanation: - Bile flow in duodenum occurs during the phase II of the MMC. - The 3 phases of migrating motor complex (MMC) are - Phase I :- about first 70 minutes - no contractions, Phase II:- 15-20 min - irregular contractions sta, Phase III :- 5-10 min - each slow wave is followed by contraction.', 'role': 'assistant'}]