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
Migratory motor complexes in the gut reappear after intervals of: 
Select and explain. 
A. 60 minutes, B. 90 minutes, C. 120 minutes, D. 150 minutes
B: 90 minutes
Answer: B: 90 minutes 
Explanation: Ans: B. 90 minutes(Ref Ganong 25/e p496, 24/e p498)Migrating motor complexes in the gut reappear after intervals of 90 minutes.MMCs:Initiated by motilin.Circulating motilin increases at intervals of 100 min in interdigestive state.Coordinated with contractile phases of MMC.Contractions migrate aborally at a rate of about 5 cm/ min.