Rugae are formed by the two inner most layer of the stomach adjacent to the lumen when the stomach is empty. Knowing this, which stomach layers form the rugae?

Which of the following occurs/occur during the cephalic phase of gastric acid secretion?

a. Stimulation of gastrin and histamine release

b. Direct stimulation of parietal cells

c. Inhibition of somatostatin release

d. Both a and b are correct.

e. All of the above are correct.

Within the gastric glands, which cells would you expect to find closest to the gastric pits?

Mixing of the chyme with gastric juice is achieved via:

A surgical procedure known as gastric bypass involves removing all or part of the stomach.

a. Ms. Anthony has undergone gastric bypass and her stomach has been removed entirely. She goes out to dinner and eats an extremely large meal. Explain what will happen in her small and large intestine following this meal.

Mark the following statements as true or false. If a statement is false, correct it to make a true statement.

c. Smooth muscle of the stomach contracts when food enters from the esophagus.