Question 1

A vitamin A deficiency can cause night blindness.

Accepted Answer

A) True 
 B)False

Question 2

A deficiency of which of the following can result in erythrocyte hemolysis, leading to anemia?

Accepted Answer

A)  iron 
B)  vitamin E 
C)  vitamin C 
D)  zinc 
A)  iron 
B)  vitamin E 
C)  vitamin C 
D)  zinc

Question 3

Selenium is found only in animal products.

Accepted Answer

A) True 
 B)False

Question 4

Beta-carotene is a precursor of retinol.

Accepted Answer

A) True 
 B)False

Question 5

Diseases that cause malabsorption of fat can result in a vitamin C deficiency.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following foods are the richest sources of vitamin E?

Accepted Answer

A)  milk and dairy products 
B)  fruits and vegetables 
C)  meat, fish, and poultry 
D)  mayonnaise, vegetable oils, nuts, and seeds 
A)  milk and dairy products 
B)  fruits and vegetables 
C)  meat, fish, and poultry 
D)  mayonnaise, vegetable oils, nuts, and seeds

Question 7

Selenium toxicity occurs from an overconsumption of foods rich in this mineral.

Accepted Answer

A) True 
 B)False

Question 8

Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

Accepted Answer

A)  vitamin D 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  folate 
A)  vitamin D 
B)  vitamin B₁₂ 
C)  vitamin C 
D)  folate

Question 9

About 90% of vitamin E is stored in

Accepted Answer

A)  adipose tissue. 
B)  the liver. 
C)  cell membranes. 
D)  the skin. 
A)  adipose tissue. 
B)  the liver. 
C)  cell membranes. 
D)  the skin.

Question 10

Carotenosis is a serious side effect of consuming too much beta-carotene; it can be fatal if untreated.

Accepted Answer

A) True 
 B)False

Question 11

Which of the following are required components of antioxidant enzyme systems?

Accepted Answer

A)  antioxidant minerals 
B)  antioxidant vitamins 
C)  phytochemicals 
D)  gastrointestinal microflora 
A)  antioxidant minerals 
B)  antioxidant vitamins 
C)  phytochemicals 
D)  gastrointestinal microflora

Question 12

Which of the following are NOT good sources of vitamin C?

Accepted Answer

A)  citrus fruits 
B)  milk and cheese 
C)  strawberries 
D)  broccoli 
A)  citrus fruits 
B)  milk and cheese 
C)  strawberries 
D)  broccoli

Question 13

A group of fat-soluble plant pigments that are the basis for the orange, red, and deep yellow colors of many fruits and vegetables are called

Accepted Answer

A)  carotenoids. 
B)  provitamins. 
C)  prooxidants. 
D)  chlorophylls. 
A)  carotenoids. 
B)  provitamins. 
C)  prooxidants. 
D)  chlorophylls.

Question 14

Diseases that cause the malabsorption of fat can result in a deficiency of

Accepted Answer

A)  vitamin A. 
B)  vitamin B₆. 
C)  vitamin C. 
D)  vitamin B₁₂. 
A)  vitamin A. 
B)  vitamin B₆. 
C)  vitamin C. 
D)  vitamin B₁₂.

Question 15

The most powerful and abundant form of vitamin E is

Accepted Answer

A)  alpha-tocopherol. 
B)  beta-tocopherol. 
C)  gamma-tocopherol. 
D)  delta-tocopherol. 
A)  alpha-tocopherol. 
B)  beta-tocopherol. 
C)  gamma-tocopherol. 
D)  delta-tocopherol.

Question 16

Which of the following foods would be the BEST dietary source of preformed vitamin A?

Accepted Answer

A)  carrots 
B)  eggs 
C)  cantaloupe 
D)  rice 
A)  carrots 
B)  eggs 
C)  cantaloupe 
D)  rice

Question 17

List the processes through which free radicals may be formed.

Accepted Answer

The most common way free radicals are fo

Question 18

Keshan disease and Kashin-Beck disease are both associated with which deficiency?

Accepted Answer

A)  vitamin A 
B)  selenium 
C)  vitamin E 
D)  calcium 
A)  vitamin A 
B)  selenium 
C)  vitamin E 
D)  calcium

Question 19

Symptoms of a vitamin C deficiency include

Accepted Answer

A)  bleeding gums and loose teeth. 
B)  dementia and dermatitis. 
C)  night blindness. 
D)  nosebleeds. 
A)  bleeding gums and loose teeth. 
B)  dementia and dermatitis. 
C)  night blindness. 
D)  nosebleeds.

Question 20

Which kind of cells are responsible for enabling us see in different colors?

Accepted Answer

A)  rod 
B)  cone 
C)  sphere 
D)  pyramid 
A)  rod 
B)  cone 
C)  sphere 
D)  pyramid

Exam 8: Nutrients Involved in Antioxidant Function

A vitamin A deficiency can cause night blindness.

A deficiency of which of the following can result in erythrocyte hemolysis, leading to anemia?

Selenium is found only in animal products.

Beta-carotene is a precursor of retinol.

Diseases that cause malabsorption of fat can result in a vitamin C deficiency.

Which of the following foods are the richest sources of vitamin E?

Selenium toxicity occurs from an overconsumption of foods rich in this mineral.

Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

About 90% of vitamin E is stored in

Carotenosis is a serious side effect of consuming too much beta-carotene; it can be fatal if untreated.

Which of the following are required components of antioxidant enzyme systems?

Which of the following are NOT good sources of vitamin C?

A group of fat-soluble plant pigments that are the basis for the orange, red, and deep yellow colors of many fruits and vegetables are called

Diseases that cause the malabsorption of fat can result in a deficiency of

The most powerful and abundant form of vitamin E is

Which of the following foods would be the BEST dietary source of preformed vitamin A?

List the processes through which free radicals may be formed.

Keshan disease and Kashin-Beck disease are both associated with which deficiency?

Symptoms of a vitamin C deficiency include

Which kind of cells are responsible for enabling us see in different colors?

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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