Basic Nutrition Final Exam Review

58 terms by itscheydoe 

Create a new folder

Advertisement Upgrade to remove ads

The diet-planning tool, MyPyramid, is available only to health care professionals

False

The focus of the DRIs is to promote health as opposed to exclusively centering on preventing disease

True

Nutrients are

chemical elements or compounds in foods that have specific metabolic functions within the body

All nutrients needed by the body

are supplied by a variety of foods in many different combinations

All people throughout life, as indicated by the DRIs, need

the same nutrients in varying amounts

Carbohydrates are composed of carbon, hydrogen, oxygen, and nitrogen.

False

Starch is the main source of carbohydrate in the diet

True

Lactose is a very sweet, simple monosaccharide found in a number of foods.

False

Glucose is the form of sugar circulating in the blood

True

Glycogen is an important long-term storage form of energy and large amounts are stored in the liver and muscles

False

Which of the following carbohydrate foods provides energy the quickest?

Orange Juice

A quickly available but limited form of energy is stored in the liver by conversion of glucose to

Glycogen

The current DRIs recommend _______ of a person's total daily caloric intake to come from carbohydrate sources.

45%-65%

The disaccharide sucrose is hydrolyzed to the monosaccharides glucose and

fructose

Glucose, Fructose, and Galactose are

Monosaccharides

Sucrose, Lactose, and Maltose are

Disaccharides

What are soluble fibers?

Gums, mucilages, Algal polysaccharides, and most pectins

Cellulose, most hemicelluloses, lignin are

Insoluable

Soluble fiber is noted for its ability to bind bile acids and utimately lower blood chlesterol levels

True

Insoluable fiber is recommended for relief from constipation.

True

Fat has the same energy value as carbohydrate

False

Fat is composed of the same basic chemical elements as carbohydrate.

True

Corn oil is a saturated fat

False

Polyunsaturated fats predominantly come from animal food sources

False

Lipoproteins, produced mainly in the liver, carry fat in the blood

True

The fuel form of fat found in food sources is

triglyceride

Which of the following statements about the saturation of fats is correct

Fats composed of fatty acids with two or more double bonds in their structure are called polyunsaturated

If an individual implemented a low saturated fat diet to lower the risk for heart disease, which of the following foods would more frequently be consumed?

Olive oil and vinegar salad dressing

Once absorbed into the enterocyte, monoglycerides and fatty acids re-form triglycerides, which are then packaged into a lipoprotein called__________ for absorption into the lymphatic structure

chylomicrons

Complete proteins of high biologic value are found in whole grains, dried beans and peas, and nuts.

False

The primary function of dietary protein is to supply the necessary amino acids to build and repair body tissue

True

Protein provides a main source of body heat and muscle energy

False

The average American diet contains a relatively small amount of protein

False

Because they are smaller, infants and young children need less protein per unit of body weight than do adults

False

Healthy adults are in a state of nitrogen balance

True

Positive nitrogen balance exists during periods of rapid growth (e.g., in infancy and adolescence).

True

When negative nitrogen balance exists, an individual is less able to resist infection.

True

Egg protein has a higher biologic value than meat protein

True

Nine of the 20 amino acids are indispensable, meaning that

the body cannot make them and must obtain them from the diet

A complete protein food of high biologic value contains

all nine of the indispensable amino acids in correct proportion to meet human requirements

A state of negative nitrogen balance may occur during periods of

injury or surgery

whats the role of thyroxin in matabolism

regulates the metabolic rate of the body

what are the functions of enzymes

Enzymes act as catalyst

Carotene is preformed vitamin A found in animal food sources

False

Exposure to sunlight produces vitamin D from a cholesterol precursor in the skin

True

Extra vitamin C is stored in the liver to meet tissue infection demands

False

Good sources of vitamin K are found in green, leafy vegetables such as kale and spinach

True

Vitamin A is fat soluble and formed from carotene in plant foods or consumed as the fully formed vitamin in animal foods. Which of the following supplies the greatest amount of this vitamin?

Beef Liver

If you wanted to increase the vitamin C content of your diet, which of the following foods would you choose in larger amounts?

Green peppers, strawberries, and oranges

A large portion of our vitamin K for metabolic needs is produced by intestinal bacteria

True

The formation of prothrombin for normal blood clotting purposes is a primary function of which fat-soluble vitamin?

Vitamin K

Potassium is the major electrolyte controlling the water outside cells.

False

Iodine is associated with iron functions in the body and is called the "iron twin."

False

Which of the following minerals is a trace mineral?

Iron

Which mineral has the following functions: blood clotting, muscle and nerve action, and bone and teeth formation?

Calcium

Potassium is a major mineral

True

fresh fruits and vegetables, meats, and whole grains

food sources of potassium

what are food sources of iron?

liver, meats, egg yolk, whole grains, enriched bread and cereal, dark green veggies, legumes, and nuts

Please allow access to your computer’s microphone to use Voice Recording.

Having trouble? Click here for help.

We can’t access your microphone!

Click the icon above to update your browser permissions above and try again

Example:

Reload the page to try again!

Reload

Press Cmd-0 to reset your zoom

Press Ctrl-0 to reset your zoom

It looks like your browser might be zoomed in or out. Your browser needs to be zoomed to a normal size to record audio.

Please upgrade Flash or install Chrome
to use Voice Recording.

For more help, see our troubleshooting page.

Your microphone is muted

For help fixing this issue, see this FAQ.

Star this term

You can study starred terms together

NEW! Voice Recording

Create Set