Question 1

Phytochemicals are regarded as nutrients.

Accepted Answer

A) True 
 B)False  False

Question 2

Carotinoids are probably the most studied class of phytochemicals.

Accepted Answer

A) True 
 B)False  True

Question 3

Scientists now believe that phytochemicals may benefit health by stressing our cells.

Accepted Answer

A) True 
 B)False  True

Question 4

Resveratrol,which is present in wine and grapes and thought to have protective effects against cancer,is a member of the phytochemical group called:

Accepted Answer

A) flavinoids. 
B) phenolics. 
C) phytoestrogens. 
D) carotinoids. 
A) flavinoids. 
B) phenolics. 
C) phytoestrogens. 
D) carotinoids.

Question 5

Some free radicals are unavoidable by-products of normal metabolism.

Accepted Answer

A) True 
 B)False

Question 6

The prefix "phyto" means:

Accepted Answer

A) light. 
B) plant. 
C) fiber. 
D) photon. 
A) light. 
B) plant. 
C) fiber. 
D) photon.

Question 7

Experts recommend beta-carotene supplementation to help with chronic disease prevention or treatment.

Accepted Answer

A) True 
 B)False

Question 8

Conditions that typically occur later in life as the result of lifelong accumulated risk are called:

Accepted Answer

A) low-risk diseases. 
B) cancer. 
C) secondary diseases. 
D) diseases of aging. 
A) low-risk diseases. 
B) cancer. 
C) secondary diseases. 
D) diseases of aging.

Question 9

Free radicals are only produced in response to radiation,pollution,industrial chemicals,tobacco smoke,or infections.

Accepted Answer

A) True 
 B)False

Question 10

Over 10,000 different phytochemicals have been identified.

Accepted Answer

A) True 
 B)False

Question 11

Phytochemicals may be ineffective or even harmful when:

Accepted Answer

A) heated 
B) diluted. 
C) consumed as supplements. 
D) consumed in raw foods. 
A) heated 
B) diluted. 
C) consumed as supplements. 
D) consumed in raw foods.

Question 12

Phytochemicals have greater benefits if consumed at higher doses,in supplement form.

Accepted Answer

A) True 
 B)False

Question 13

Naturally occurring compounds found in plants and believed to have health-promoting properties are called:

Accepted Answer

A) steroids. 
B) antioxidants. 
C) phytochemicals. 
D) chlorofluorocarbons. 
A) steroids. 
B) antioxidants. 
C) phytochemicals. 
D) chlorofluorocarbons.

Question 14

A basic principle of toxicology states that doseage is not an important factor.

Accepted Answer

A) True 
 B)False

Question 15

Phytochemicals have established daily recommended intakes.

Accepted Answer

A) True 
 B)False

Question 16

Antioxidants have the capacity to neutralize:

Accepted Answer

A) DNA. 
B) lipids. 
C) free radicals. 
D) water. 
A) DNA. 
B) lipids. 
C) free radicals. 
D) water.

Question 17

Phytochemicals are synthetic substances.

Accepted Answer

A) True 
 B)False

Question 18

Oxidative damage has been linked to the aging process.

Accepted Answer

A) True 
 B)False

Question 19

In addition to their antioxidant properties,phytochemicals are also believed to:

Accepted Answer

A) reduce inflammation that can lead to potentially serious disease. 
B) aid in childbirth. 
C) assist with sleep. 
D) retard hair thinning as a result of age or chemical exposure. 
A) reduce inflammation that can lead to potentially serious disease. 
B) aid in childbirth. 
C) assist with sleep. 
D) retard hair thinning as a result of age or chemical exposure.

Question 20

A key reason why an RDA for phytochemicals has been difficult to establish is due to:

Accepted Answer

A) their synergystic effect. 
B) their naturally-occuring genesis. 
C) their variety of forms. 
D) their broad functions. 
A) their synergystic effect. 
B) their naturally-occuring genesis. 
C) their variety of forms. 
D) their broad functions.

Exam 8: Phytochemicals

Phytochemicals are regarded as nutrients.

Carotinoids are probably the most studied class of phytochemicals.

Scientists now believe that phytochemicals may benefit health by stressing our cells.

Resveratrol,which is present in wine and grapes and thought to have protective effects against cancer,is a member of the phytochemical group called:

Some free radicals are unavoidable by-products of normal metabolism.

The prefix "phyto" means:

Experts recommend beta-carotene supplementation to help with chronic disease prevention or treatment.

Conditions that typically occur later in life as the result of lifelong accumulated risk are called:

Free radicals are only produced in response to radiation,pollution,industrial chemicals,tobacco smoke,or infections.

Over 10,000 different phytochemicals have been identified.

Phytochemicals may be ineffective or even harmful when:

Phytochemicals have greater benefits if consumed at higher doses,in supplement form.

Naturally occurring compounds found in plants and believed to have health-promoting properties are called:

A basic principle of toxicology states that doseage is not an important factor.

Phytochemicals have established daily recommended intakes.

Antioxidants have the capacity to neutralize:

Phytochemicals are synthetic substances.

Oxidative damage has been linked to the aging process.

In addition to their antioxidant properties,phytochemicals are also believed to:

A key reason why an RDA for phytochemicals has been difficult to establish is due to:

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

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 Antioxidant Function and Vision

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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