This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T., Subject name: Physiology
All are actions of cholecystokinin except: 
Select and explain. 
A. Increase gastrin secretion, B. Increase lower esophageal sphincter pressure, C. Stimulation of pancreatic enzyme, D. Stimulation of gallbladder
A: Increase gastrin secretion
Answer: A: Increase gastrin secretion 
Explanation: Ans. A. Increase gastrin secretionActions of CCK CONTRACTION OF GALLBLADDERSECRETION OF PANCREATIC JUICEInhibits gastric emptyingExerts atrophic effect on the pancreasIncreases the secretion of enterokinaseAugments the action of secretin in producing secretion of an alkaline pancreatic juiceEnhances the motility of small intestine and colonCCK and gastrin stimulate glucagon secretionAugments the action of secretin in contracting the pyloric sphincter