23. The Digestive System

Which of the following cells produce pepsinogen in the stomach?

Which enzyme breaks down protein-forming polypeptides in the stomach?

The small intestine extends from the pyloric sphincter, superiorly, to which valve, inferiorly?

Which statement is true about the signs and symptoms of projectile vomiting in the context of the digestive system?

The secretion of cholecystokinin (CCK) in the duodenum is stimulated by the presence of which components in the chyme?

What is the slow, wavelike contraction that moves food through the digestive system called?

Which of the following is a primary stimulus for defecation?

The muscularis usually contains two layers of ______ muscle.

How do teeth aid in the process of digestion?

Which of the following statements about digestion is true?

Which of the following is the innermost layer of the digestive tract?

Which part of the colon joins the rectum?

Which of the following is part of the digestive system?

Which of the following is not a function of the digestive system?

Which digestive organs would be transected by a transverse plane that passes through the navel (umbilicus)?