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 is true about gastric emptying: \nSelect and explain. \nA. Decreased by cholecystokinin, B. Deceased by gastrin, C. Increased by secretin, D. Increased by GIP', 'role': 'user'}, {'content': 'Answer: A \nExplanation: A i.e. Decreased by cholecystokinin', 'role': 'assistant'}]