<prompt> Actions of cholecystokinin include which one of the following?Contraction of gall bladderSecretion of pancreatic juice rich in enzymesIncreases the secretion of enterokinaseAll  <response>: FUNCTIONS: Stimulates pancreatic acinar cell enzymes secretion. Causes contraction of gallbladder. Secretion of enzyme-rich pancreatic juice. Increases enterokinase secretion 