Question 1

Intense exercise can be a source of free radicals.

Accepted Answer

A) True 
 B)False  True

Question 2

Phytoestrogens are found in

Accepted Answer

A)   garlic, leeks and onions.
B)   soy milk, tofu and flaxseed.
C)   berries, black and green tea and chocolate
D)   coffee beans, potatoes and mustard. B

Question 3

Which of the following statements is FALSE?

Accepted Answer

A)   Phytochemicals are nutrients necessary for sustaining health and life.
B)   Phytochemicals protect plants from insects and microbes.
C)   Phytochemicals have been shown to reduce the risk of cardiovascular disease and cataracts.
D)   Phytochemicals are naturally occurring compounds found in plants. A

Question 4

A basic principle of toxicology is that

Accepted Answer

A)   all supplements originated as naturally occurring compounds.
B)   any compound can be toxic if the dose is high enough.
C)   if something is good for you then more is better.
D)   Small amounts of any compound are well tolerated by the body.

Question 5

Initial information regarding the importance of phytochemicals in our diet came from large-scale ________ studies.

Accepted Answer

A)   epidemiological
B)   biochemical
C)   cellular
D)   animal

Question 6

Phytochemicals help protect against the development of certain cancers by instructing the cancer cells to die.

Accepted Answer

A) True 
 B)False

Question 7

Phytochemicals are

Accepted Answer

A)   micronutrients.
B)   macronutrients.
C)   found only in plants.
D)   found only in animals.

Question 8

Spinach and sweet potatoes are rich sources of phytochemicals.

Accepted Answer

A) True 
 B)False

Question 9

The reason that phytochemicals are found naturally in plant foods is to increase their nutrient content.

Accepted Answer

A) True 
 B)False

Question 10

The majority of the research demonstrating the relationship between a reduced disease risk and a high intake of plant food comes from large epidemiological studies.

Accepted Answer

A) True 
 B)False

Question 11

Cancer, cardiovascular disease, cataracts and certain neurologic disorders are categorized as

Accepted Answer

A)   metabolic diseases.
B)   psychological diseases.
C)   diseases of the first-world.
D)   diseases of aging.

Question 12

An RDA for phytochemicals has not been established.

Accepted Answer

A) True 
 B)False

Question 13

Antioxidants neutralize

Accepted Answer

A)   phytochemicals.
B)   free radicals.
C)   vitamins.
D)   acids.

Question 14

Which of the following is NOT a health-promoting function associated with a high intake of plant-based foods?

Accepted Answer

A)   reduction in inflammation that is linked to the development of heart disease
B)   slowing of tumor cell growth in the development of cancer
C)   decrease in bone loss associated with the osteoporosis
D)   enhanced immune function to protect against infection

Question 15

Which of the following statements is TRUE about the consumption of foods containing phytochemicals?

Accepted Answer

A)   They increase the risk of diseases of aging.
B)   They reduce the risk of cancer.
C)   They increase the rates of infection.
D)   They increase the rates of blood clotting.

Question 16

Research has found that the health-promoting properties of phytochemicals are primarily due to their antioxidant activity.

Accepted Answer

A) True 
 B)False

Question 17

Epidemiological studies cannot identify cause-and-effect relationships between food intake and disease.

Accepted Answer

A) True 
 B)False

Question 18

The risk for macular degeneration and other age-related eye-diseases can be reduced through the consumption of

Accepted Answer

A)   carotenoids.
B)   flavonoids.
C)   phenolic acids.
D)   organosulphur compounds.

Question 19

No RDA can be set for phytoestrogens at this point because

Accepted Answer

A)   science has not yet substantiated the claims of benefit.
B)   they encourage the production of endogenous estrogens.
C)   they compete with flavonoids to promote cancer cell growth.
D)   they appear to reduce some forms of cancer while promoting the development of others.

Question 20

Current research suggests that the health benefits of phytochemicals come only in supplement form.

Accepted Answer

A) True 
 B)False

Exam 28: phytochemicals

Intense exercise can be a source of free radicals.

Phytoestrogens are found in

Which of the following statements is FALSE?

A basic principle of toxicology is that

Initial information regarding the importance of phytochemicals in our diet came from large-scale ________ studies.

Phytochemicals help protect against the development of certain cancers by instructing the cancer cells to die.

Phytochemicals are

Spinach and sweet potatoes are rich sources of phytochemicals.

The reason that phytochemicals are found naturally in plant foods is to increase their nutrient content.

The majority of the research demonstrating the relationship between a reduced disease risk and a high intake of plant food comes from large epidemiological studies.

Cancer, cardiovascular disease, cataracts and certain neurologic disorders are categorized as

An RDA for phytochemicals has not been established.

Antioxidants neutralize

Which of the following is NOT a health-promoting function associated with a high intake of plant-based foods?

Which of the following statements is TRUE about the consumption of foods containing phytochemicals?

Research has found that the health-promoting properties of phytochemicals are primarily due to their antioxidant activity.

Epidemiological studies cannot identify cause-and-effect relationships between food intake and disease.

The risk for macular degeneration and other age-related eye-diseases can be reduced through the consumption of

No RDA can be set for phytoestrogens at this point because

Current research suggests that the health benefits of phytochemicals come only in supplement form.