This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Physiology
Migrating motor complexes are due to which Gastrointestinal hormone? 
Select and explain. 
A. Gastrin, B. Motilin, C. CCK, D. VIP
B: Motilin
Answer: B: Motilin 
Explanation: MMC is initiated by motilin, circulating levels of motilin increases at intervals of approximately 90-100 min in the interdigestive state Ref: Ganong 25th ed/page 497