Exam 3: Digestion, Absorption, and Metabolism

Stomach emptying is affected by all of the following EXCEPT:

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

Describe the signals that regulate gastric secretion and motility.

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

Transit time is the rate at which food:

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

What enzyme prevents bacterial growth in the mouth?

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.

"Heartburn" is typically:

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

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

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

Pancreas secretions contain digestive enzymes and:

The absorption of nutrients by simple diffusion requires:

Activity in the digestive tract begins in response to the sight and smell of food.This is referred to as the _________ response.

________ are protein molecules that accelerate the rate of chemical reactions.

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

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

What factors impact the rate at which food leaves the stomach?

The primary function of the large intestine is to: