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
Actions of cholecystokinin include all of the following except : 
Select and explain. 
A. Contraction of gall bladder, B. Secretion of pancreatic juice rich in enzymes, C. Increases the secretion of enterokinase, D. All
D: All
Answer: D: All 
Explanation: FUNCTIONS:Stimulates pancreatic acinar cell enzymes secretion.Causes contraction of gallbladder.Secretion of enzyme-rich pancreatic juice.Increases enterokinase secretion