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
[{'content': 'Which of the following does not simulate enterogastric reflex? \nSelect and explain. \nA. Products of protein digestion in the duodenum, B. Duodenal distension, C. H+ ions bathing duodenal mucosa, D. Hormones', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Regulation of gastric emptying by duodenum is through two mechanisms.\n-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Hormonal mechanism- Inhibit gastric emptying and decrease gastric acid secretion.\n\nSecretin\nCCK\nVIP\nGIP\nPeptide YY\n\n\xa0-\xa0\xa0\xa0\xa0\xa0\xa0\xa0 Enterogastric reflex- Inhibit gastric emptying through the intrinsic enteric neural plexus.\n\nDistension of the duodenum\nDuodenal hyperosmolarity\nPresence of acid, fats and products of protein digestion in the duodenum.', 'role': 'assistant'}]