Question 1

Substances such as aspirin and Coumadin that stop blood from clotting excessively are

Accepted Answer

A)  free radicals. 
B)  tocopherols. 
C)  anticonvulsants. 
D)  anticoagulants. 
A)  free radicals. 
B)  tocopherols. 
C)  anticonvulsants. 
D)  anticoagulants.

Question 2

A free radical is highly unstable because it has unpaired electrons in its outermost shell.

Accepted Answer

A) True 
 B)False

Question 3

Guinea pigs and humans are two groups that cannot synthesize their own vitamin C and must consume it in their diet.

Accepted Answer

A) True 
 B)False

Question 4

List and describe three important functions of vitamin A in the body.

Accepted Answer

There are many known functions of vitami

Question 5

Free radicals

Accepted Answer

A)  are very stable atoms. 
B)  are rarely formed by the body's fundamental physiological processes. 
C)  damage the cell's mitochondria. 
D)  are formed by exposure to air pollution and tobacco smoke. 
A)  are very stable atoms. 
B)  are rarely formed by the body's fundamental physiological processes. 
C)  damage the cell's mitochondria. 
D)  are formed by exposure to air pollution and tobacco smoke.

Question 6

Which of the following would NOT be a good strategy for increasing vitamin E in the diet?

Accepted Answer

A)  eating a peanut butter sandwich 
B)  adding sunflower seeds to salads 
C)  deep frying foods in corn or safflower oils 
D)  adding wheat germ to yogurt and cereals 
A)  eating a peanut butter sandwich 
B)  adding sunflower seeds to salads 
C)  deep frying foods in corn or safflower oils 
D)  adding wheat germ to yogurt and cereals

Question 7

Which of the following is NOT a function of vitamin E?

Accepted Answer

A)  protecting polyunsaturated fatty acids (PUF
A)  in cell membranes from oxidation 
B)  enhancing the immune system and protecting white blood cells 
C)  improving the absorption of vitamin C if dietary intake is low 
D)  protecting low-density lipoproteins (LDLs) from oxidation 
A)  protecting polyunsaturated fatty acids (PUF
A)  in cell membranes from oxidation 
B)  enhancing the immune system and protecting white blood cells 
C)  improving the absorption of vitamin C if dietary intake is low 
D)  protecting low-density lipoproteins (LDLs) from oxidation

Question 8

List three antioxidant vitamins and their primary food sources.

Accepted Answer

Vitamin A has anti-oxidant activity and

Question 9

The majority of the vitamin E in our bodies is found in our adipose tissue.

Accepted Answer

A) True 
 B)False

Question 10

What is an example of a provitamin A carotenoid? What is an easy way to identify these in the diet?

Accepted Answer

There are about 50 carotenoids in the hu

Question 11

The doctor has recently told Julie that she is anemic. Which of the following should Julie consume with her iron supplement to increase its absorption?

Accepted Answer

A)  a tablespoon of castor oil 
B)  a glass of milk 
C)  a glass of orange juice 
D)  scrambled eggs 
A)  a tablespoon of castor oil 
B)  a glass of milk 
C)  a glass of orange juice 
D)  scrambled eggs

Question 12

Describe how free radicals are formed and name 3 different free radicals. Describe the primary sites of damage caused by free radicals.

Accepted Answer

The loss and gain of electrons between a

Question 13

Selenium is the only mineral with a known antioxidant function.

Accepted Answer

A) True 
 B)False

Question 14

All antioxidants are water soluble.

Accepted Answer

A) True 
 B)False

Question 15

Your friend has been taking vitamin C supplements throughout February so that she won't get sick before heading off to Daytona Beach for Spring Break. What should you tell your friend about vitamin C's ability to prevent the common cold?

Accepted Answer

It is well known that vitamin C is impor

Question 16

Ninety percent of the vitamin A we absorb is stored in adipose tissue.

Accepted Answer

A) True 
 B)False

Question 17

Results of the Alpha-Tocopherol Beta-Carotene (ATBC) Cancer Prevention Study indicated a decreased number of deaths among male smokers who took beta-carotene supplements.

Accepted Answer

A) True 
 B)False

Question 18

How do antioxidant minerals stabilize free radicals?

Accepted Answer

A)  donate electrons or hydrogens 
B)  enzymatic destruction 
C)  phagocytosis 
D)  break down oxidized fatty acids 
A)  donate electrons or hydrogens 
B)  enzymatic destruction 
C)  phagocytosis 
D)  break down oxidized fatty acids

Question 19

Carrots, spinach, and sweet potatoes contain a large amount of preformed vitamin A.

Accepted Answer

A) True 
 B)False

Question 20

Why must you increase your vitamin E intake if you increase your polyunsaturated fatty acid intake?

Accepted Answer

Vitamin E protects polyunsaturated fatty

Exam 8: Nutrients Involved in Antioxidant Function

Substances such as aspirin and Coumadin that stop blood from clotting excessively are

A free radical is highly unstable because it has unpaired electrons in its outermost shell.

Guinea pigs and humans are two groups that cannot synthesize their own vitamin C and must consume it in their diet.

List and describe three important functions of vitamin A in the body.

Free radicals

Which of the following would NOT be a good strategy for increasing vitamin E in the diet?

Which of the following is NOT a function of vitamin E?

List three antioxidant vitamins and their primary food sources.

The majority of the vitamin E in our bodies is found in our adipose tissue.

What is an example of a provitamin A carotenoid? What is an easy way to identify these in the diet?

The doctor has recently told Julie that she is anemic. Which of the following should Julie consume with her iron supplement to increase its absorption?

Describe how free radicals are formed and name 3 different free radicals. Describe the primary sites of damage caused by free radicals.

Selenium is the only mineral with a known antioxidant function.

All antioxidants are water soluble.

Your friend has been taking vitamin C supplements throughout February so that she won't get sick before heading off to Daytona Beach for Spring Break. What should you tell your friend about vitamin C's ability to prevent the common cold?

Ninety percent of the vitamin A we absorb is stored in adipose tissue.

Results of the Alpha-Tocopherol Beta-Carotene (ATBC) Cancer Prevention Study indicated a decreased number of deaths among male smokers who took beta-carotene supplements.

How do antioxidant minerals stabilize free radicals?

Carrots, spinach, and sweet potatoes contain a large amount of preformed vitamin A.

Why must you increase your vitamin E intake if you increase your polyunsaturated fatty acid intake?

The Role of Nutrition in Our Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

Fats: Essential Energy-Supplying Nutrients

Proteins: Crucial Components of All Body Tissues

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Bone Health

Nutrients Involved in Energy Metabolism and Blood Health

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Food Safety and Technology: Impact on Consumers

Nutrition Through the Life Cycle: Pregnancy and the First Year of Life

Nutrition Through the Life Cycle: Childhood to Late Adulthood

alcohol

cancer

cardiovascular Disease

diabetes

dietary Supplements: Necessity or Waste

disordered Eating

disorders Related to Specific Foods

the Fetal Environment: a Lasting Impression

fluid Imbalance

global Nutrition

obesity

osteoporosis

phytochemicals

searching for the Fountain of Youth

vitamins and Minerals: Micronutrients With Macro Powers

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