Exam 3: Digestion, absorption, and Metabolism

Explain why a person who consumes toast,fruit and coffee for breakfast is more likely to feel hunger sooner compared to a person who eats an egg and fried potatoes for breakfast.

The function of sphincters in the digestive tract is:

Coordinated muscular contractions that move food through the GI tract are called:

Metabolic reactions that build molecules and body structures are referred to as:

"Heartburn" is typically:

Which structure prevents swallowed food from entering the trachea?

A diseased gallbladder can interfere with:

Explain how triglycerides and glucose differ in terms of absorption and circulation.

Identify the organs of the digestive system.Briefly describe the digestive process that occurs in each organ or section of the system.

At different stages of life,special diets may be needed to maximize nutrient intake and absorption.How does the digestive system of an infant differ from that of an older adult?

The absorptive surface of the small intestine is increased by the presence of:

After water soluble nutrients are absorbed in the intestine,they are carried to the __________ via the ___________.

The most common cause of ulcers is:

What is the difference between probiotics and prebiotics? How can these be used to promote gastrointestinal health?

Describe the type of absorption mechanism represented by each of the four separate parts in the figure.

_________ are units of matter that cannot be further broken down by chemical means.

During ________________,the digestive system can absorb whole intact proteins.

Nutrients classified as "organic molecules" have a molecular structure which contains the element:

What causes heartburn? What lifestyle changes can a person make to try to alleviate this problem?

The stomach wall is protected from the acidity of the gastric juice by: