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 enzymes decreases gastric motility: 
Select and explain. 
A. Secretin, B. CCK-PZ., C. Both., D. None.
C: Both.
Answer: C: Both. 
Explanation: Secretin augments the action of CCK-PZ but secrete watery alkaline pancreatic juice. 
Thus, both SECRETIN and CCK-PZ decreases gastric motility.