Nutrition Final

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Depending on a person's age, sex, and body composition, what percentage of body weight is water?

50%-75%

The principle that lean tissue is denser than water can be displayed by

Underwater weighing

People who are unable to absorb fat are likely to develop a _________ deficiency.

Vit A

Pellegra is

a lack of niacin intake

Athletes often use foods, devices, or supplements to improve physical performance is called

ergogenic aids

Lecithin is a type of ___________.

phospholipid

What is an environmental factor, such as radiation, tobacco smoke, or a virus, that triggers cancer.

Carcinogens

Denaturation of a protein is the process the body uses to break down proteins.

False

A composition of body water, mineral and protein-rich tissues is considered

Fat-free mass

Starch found in foods such as rice and potatoes is composed of __________ molecules.

Glucose

The _______________ is the second segment of the small intestines.

Jejunum

The hormone that reduces hunder and inhibits fat storage in the body.

Leptin

Which of the following substances is a complex carbohydrate?

Starch


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