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
Which of the following is true about gastric emptying: 
Select and explain. 
A. Decreased by cholecystokinin, B. Deceased by gastrin, C. Increased by secretin, D. Increased by GIP
A: Decreased by cholecystokinin
Answer: A: Decreased by cholecystokinin 
Explanation: A i.e. Decreased by cholecystokinin