The stimulus for the release of cholecystokinin (CCK) is the:
a. presence of food in the stomach.
b. presence of fat in the duodenum.
c. entry of acid chyme into the ileum.
d. entry of bile into the gallbladder.
Question 2
Mucus is produced by the salivary glands and the:
a. intestinal glands.
b. esophageal glands.
c. pineal gland.
d. islets of Langerhans.