Question 1

The most common form of cancer in the United States is cancer of the:

Accepted Answer

A) lung. 
B) skin. 
C) colon. 
D) stomach. 
A) lung. 
B) skin. 
C) colon. 
D) stomach.

Question 2

Today,scurvy is rare in developed countries.

Accepted Answer

A) True 
 B)False

Question 3

When levels of vitamin A are deficient,people suffer from a condition known as:

Accepted Answer

A) astigmatism. 
B) near-sightedness 
C) night blindness. 
D) partial blindness. 
A) astigmatism. 
B) near-sightedness 
C) night blindness. 
D) partial blindness.

Question 4

It is difficult to consume adequate vitamin C from the diet alone.

Accepted Answer

A) True 
 B)False

Question 5

Vitamin A is present only in animal food sources.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following foods would be the BEST dietary source of pre-formed vitamin A?

Accepted Answer

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

Question 7

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 8

Once the DNA of a cell is mutated,the development of cancer is inevitable.

Accepted Answer

A) True 
 B)False

Question 9

Copper,zinc,and manganese are part of the ________ antioxidant enzyme system.

Accepted Answer

A) superoxide dismutase 
B) catalase 
C) haloperoxidase 
D) glutathione peroxidase 
A) superoxide dismutase 
B) catalase 
C) haloperoxidase 
D) glutathione peroxidase

Question 10

Which of the following symptoms is associated with consuming a megadose of vitamin C?

Accepted Answer

A) night blindness 
B) scurvy 
C) nausea and diarrhea 
D) erythrocyte hemolysis 
A) night blindness 
B) scurvy 
C) nausea and diarrhea 
D) erythrocyte hemolysis

Question 11

Describe how low-grade inflammation is involved in the development of cardiovascular disease.What is the relationship between antioxidants and inflammation?

Accepted Answer

Low-grade inflammation is involved in th

Question 12

Which of the following carotenoids can be converted to retinol in the body?

Accepted Answer

A) lutein 
B) beta-carotene 
C) lycopene 
D) retinol 
A) lutein 
B) beta-carotene 
C) lycopene 
D) retinol

Question 13

Vitamin A is derived from what provitamin?

Accepted Answer

A) beta carotene 
B) panthenol 
C) provitamin D3 
D) ergosterol 
A) beta carotene 
B) panthenol 
C) provitamin D3 
D) ergosterol

Question 14

Your skin can trun yellow or orange if you frequently consume foods that are high in:

Accepted Answer

A) vitamin E. 
B) selenium. 
C) vitamin A. 
D) beta-carotene. 
A) vitamin E. 
B) selenium. 
C) vitamin A. 
D) beta-carotene.

Question 15

Low-grade inflammation is associated with which biochemical marker?

Accepted Answer

A) HDL cholesterol 
B) LDL cholesterol 
C) insulin 
D) C-reactive protein 
A) HDL cholesterol 
B) LDL cholesterol 
C) insulin 
D) C-reactive protein

Question 16

Which of the following has been associated with an increased risk for cancer?

Accepted Answer

A) high fat diet 
B) caffeine 
C) fluoridated water 
D) omega-3 fatty acids 
A) high fat diet 
B) caffeine 
C) fluoridated water 
D) omega-3 fatty acids

Question 17

Which antioxidant enzyme system functions by removing hydrogen peroxide from the body by converting it into water and oxygen?

Accepted Answer

A) superoxide dismutase 
B) catalase 
C) glutathione peroxidase 
D) microsomal enzyme-oxidizing system 
A) superoxide dismutase 
B) catalase 
C) glutathione peroxidase 
D) microsomal enzyme-oxidizing system

Question 18

Vitamin A affects our vision in two ways;it enables us to react to changes in brightness,and:

Accepted Answer

A) it enables us to see different colors. 
B) it enables us to focus on distant objects. 
C) it supports eye functioning later in life. 
D) it supports the development of eye functioning in fetuses. 
A) it enables us to see different colors. 
B) it enables us to focus on distant objects. 
C) it supports eye functioning later in life. 
D) it supports the development of eye functioning in fetuses.

Question 19

Which of the following are required components of many 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 20

Vitamin E is critical for:

Accepted Answer

A) normal fetal and early childhood development. 
B) athletic performance. 
C) postmenopausal women. 
D) adolescent growth. 
A) normal fetal and early childhood development. 
B) athletic performance. 
C) postmenopausal women. 
D) adolescent growth.

Exam 14: Nutrients Involved in Antioxidant Function and Vision

The most common form of cancer in the United States is cancer of the:

Today,scurvy is rare in developed countries.

When levels of vitamin A are deficient,people suffer from a condition known as:

It is difficult to consume adequate vitamin C from the diet alone.

Vitamin A is present only in animal food sources.

Which of the following foods would be the BEST dietary source of pre-formed vitamin A?

About 90% of vitamin E is stored in:

Once the DNA of a cell is mutated,the development of cancer is inevitable.

Copper,zinc,and manganese are part of the ________ antioxidant enzyme system.

Which of the following symptoms is associated with consuming a megadose of vitamin C?

Describe how low-grade inflammation is involved in the development of cardiovascular disease.What is the relationship between antioxidants and inflammation?

Which of the following carotenoids can be converted to retinol in the body?

Vitamin A is derived from what provitamin?

Your skin can trun yellow or orange if you frequently consume foods that are high in:

Low-grade inflammation is associated with which biochemical marker?

Which of the following has been associated with an increased risk for cancer?

Which antioxidant enzyme system functions by removing hydrogen peroxide from the body by converting it into water and oxygen?

Vitamin A affects our vision in two ways;it enables us to react to changes in brightness,and:

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

Vitamin E is critical for:

The Science of Nutrition: Linking Food, function, and Health

Designing a Healthful Diet

The Human Body: Are We Really What We Eat

Carbohydrates: Plant-Derived Energy Nutrients

in Depth: Alcohol

Lipids: Essential Energy-Supplying Nutrients

Vitamins and Minerals: Micronutrients With Macro Powers

Phytochemicals

Disordered Eating

Proteins: Crucial Components of All Body Tissues

Metabolism: From Food to Life

Nutrients Involved in Energy Metabolism

Nutrients Involved in Fluid and Electrolyte Balance

Nutrients Involved in Bone Health

Nutrients Involved in Blood Health and Immunity

Achieving and Maintaining a Healthful Body Weight

Nutrition and Physical Activity: Keys to Good Health

Consumer Issues: Food Safety, Production, and Impact on the Environment

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

Nutrition Through the Life Cycle: Childhood and Adolescence

Nutrition Through the Life Cycle: The Later Years

Global Nutrition

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