<prompt> Gastric emptying sequence into duodenumFat protein carbohydrateFat carbohydrate proteinProtein fat carbohydrateProtein fat carbohydrate  <response>: Food rich in carbohydrate leaves the stomach in a few hours. Protein-rich foods leave more slowly and emptying is slowest after a meal containing fat. Hyperosmotic contents in duodenum decrease gastric emptying. CCK is also an inhibitor of gastric emptying Ref: Ganong;s Review of medical physiology, 23 rd edition, page 473 