Exam 3: Digestion, absorption, and Metabolism

The most important roles of the digestive system include digestion and:

The digestive tract begins at the _________ and ends at the _________.

Chewing is an important digestive function because it improves the functionality of:

The sphincter that regulates the flow of chyme from the stomach into the small intestine is the __________ sphincter.

What enzyme prevents bacterial growth in the mouth?

Which nutrient(s)are absorbed into the lymphatic system before entering the blood?

Which of the following is NOT an accessory organ of the digestive system?

Which of the following digestive organs is lined with fingerlike projections called villi?

The pharynx is a cavity shared by the digestive tract and the:

___________ is when all essential nutrients are given directly into the blood stream.

How do the gallbladder and pancreas contribute to the process of digestion?

Transit time is the rate at which food:

The hepatic portal circulation carries nutrients from the small intestine to the:

The _____________ regulates the movement of molecules in and out of cells.

What regulates the release of bile and pancreatic enzymes? Describe how this process works.

Describe the signals that regulate gastric secretion and motility.

As chyme moves out of the stomach,it passes through the:

The chemical breakdown of glucose to produce energy is an example of:

Which of the following meals is likely to stay in the stomach the longest?

The movement of food through the digestive tract is regulated by: