23. The Digestive System

Pancreatic amylase is important for the breakdown of which biological molecules?

Which region of the stomach is located closest to the esophagus and serves as the entry point for ingested food?

Which of the following is not one of the main functions of the digestive system?

Which large blood vessel transports nutrients from the small intestine directly to the liver?

Which of the following foods is permitted on a full liquid diet?

Why is 'fingerlike' a good description for the villi in the small intestine?

Which structural modification of the small intestine slows the movement of chyme through the lumen?

Which digestive system organ is the primary target of the hormone gastrin?

Which of the following is the primary site of nutrient absorption in the digestive system?

What happens to pepsin when it enters the small intestine?

How is chyme different from a bolus in the digestive process?

How do the nutrients from food reach the body's cells after digestion?

Which structure regulates the flow of contents from the stomach to the duodenum?

Where are most of the nutrients from your food absorbed in the digestive system?

What is the inactive precursor of pepsin in the digestive system?