Focus On Phytochemicals

Question 1

A high intake of carotenoid containing foods has been correlated with a reduced risk of all of the following except

A)some cancers.
B)cardiovascular disease.
C)diabetes.
D)age related eye disease.

Answer 1

C

Question 2

Flavonoids perform all of the following functions except

A)reduce stress hormones
B)inhibit blood clotting
C)anti-inflammatory
D)anti-oxidants

Answer 2

A

Question 3

The "Five a Day" program encourages which of the following?

A)A maximum of five fruits and vegetables a day.
B)Five different fruits and vegetables a day.
C)Five different fruits every day.
D)Five different sources of phytochemicals a day,including tea and chocolate.

Answer 3

B

Question 4

Which of the following is the correct function of alliums?

A)Bind cholesterol in the gut.
B)Boost the activity of cancer destroying enzyme systems.
C)Inactivate the hormone estrogen.
D)Activate sex hormones.

Question 5

Which statement about recommendations for the consumption of phytochemicals is correct?

A)The current recommendations are for 1200 IU per day.
B)All the phytochemicals have been identified,making recommendations possible.
C)The impact of the total diet is more significant than any single phytochemical.
D)Recommendations reflect the fact that beta-carotene is the most important phytochemical.

Question 6

Which of the following is the correct function of indoles?

A)Prevent the conversion of nitrates into nitrites.
B)Boost the activity of cancer destroying enzyme systems.
C)Inactivate the hormone estrogen.
D)Activate sex hormones.

Question 7

Substances found in plant foods that are not essential nutrients but may have health promoting properties are______.

A)functional foods
B)phytochemicals
C)zoochemicals
D)health foods

Question 8

Phytoestrogens include

A)isoflavones and alliums
B)indoles and lignins.
C)alliums and indoles.
D)isoflavones and indoles.

Question 9

Foods that provide a health benefit beyond that attributed to the nutrients they contain are _________.

A)functional foods
B)phytochemicals
C)zoochemicals
D)health foods

Question 10

Which statement about phytoestrogens is incorrect?

A)Phytoestrogens are modified by bacteria in the mouth.
B)Phytoestrogens are found in flaxseed,soybeans and barley.
C)Phytoestrogens may protect against some types of cancer..
D)Phytoestrogens may protect against osteoporosis.

Question 11

Which statement about phytochemicals is correct?

A)There are hundreds of them.
B)They serve no purpose in the plants in which they are found.
C)All plant chemicals have some beneficial properties for humans.
D)Animal tissues form many different types.

Question 12

Cruciferous vegetables include:

A)potatoes
B)broccoli
C)tomatoes
D)green peppers

Question 13

The dietary guidelines for fruits and vegetables recommend _____ for a 2000 kcalorie diet.

A)2 cups of fruit and 2.5 cups of vegetables
B)1 cup fruits and 1.5 cups of vegetables
C)1 cup fruits and 2 cups vegetables
D)1 serving of fruits and vegetables per day

Question 14

The intake of _______ and _______ reduce the risk of macular degeneration.

A)beta-carotene,lycopene
B)alpha-carotene,beta-cryptoxanthin.
C)lycopene,alpha-carotene.
D)lutein,zeaxanthin

Question 15

Good sources of carotenoids include all of the following except;

A)carrots.
B)apples.
C)apricots.
D)spinach.

Question 16

Which carotenoid's bioavailability is increased by cooking?

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

Question 17

Substances found in animal foods that are not essential nutrients but may have health promoting properties are______.

A)functional foods
B)phytochemicals
C)zoochemicals
D)health foods

Question 18

Flavonoids are found in all of the following except

A)wine
B)tea.
C)fruits.
D)fish

Question 19

Which statement about chocolate is incorrect?

A)Chocolate contains chemicals that make people feel more alert.
B)The consumption of chocolate is a major reason for the current obesity crisis in the US.
C)Dark chocolate has been shown to improve insulin sensitivity.
D)Chocolate provides antioxidants.

Question 20

The action of carotenoids is best described as:

A)carcinogen
B)anti-oxidant
C)decreasing cholesterol absorption
D)decreasing blood sugar

Question 21

All of the following protein sources will increase the consumption of phytochemicals except

A)fish
B)soybeans
C)legumes
D)nuts

Question 22

Low carbohydrate diets will limit the amounts and types of phytochemicals consumed from all of the following except:

A)fruits.
B)vegetables.
C)whole grains.
D)herbs and spices.

Question 23

Including flaxseed in the diets of laying hens

A)increases omega-3 fats in the eggs.
B)provides an egg that is low in cholesterol.
C)increases the indoles in the eggs.
D)increases the flavonoids in the eggs.

Question 24

Phytochemical supplements may provide

A)all the phytochemicals found in foods.
B)all the benefits obtained from a diet high in natural sources of phytochemicals.
C)some specific advantages.
D)the synergism that comes from eating a variety of phytochemicals

Question 25

Margarines that contain added plant sterols to help lower cholesterol are considered:

A)nutraceuticals
B)enriched foods
C)a waste of money
D)functioning foods

Question 26

Whole grain intake is associated with a decreased risk of all of the following except

A)osteoporosis.
B)obesity.
C)cardiovascular disease.
D)cancer.

Question 27

The majority of the people in the US

A)consume more fruits and vegetables than is recommended.
B)consume exactly the amount of recommended fruits and vegetables.
C)consume fewer fruits and vegetables than is recommended.
D)consume the right amount of fruits and vegetables,but do not get sufficient variety.

Question 28

The health promoting properties of whole grains are

A)mainly found in the endosperm.
B)primarily the result of dietary fiber.
C)due to the synergistic effects of a variety of phytochemicals and other nutrients.
D)the same as the health promoting effects of processed grains.

Question 29

Which statement about whole grains is correct?

A)Whole grains are beneficial because they provide some fiber,but they are a poor source of phytochemicals.
B)Whole grains provide significant phytochemicals,but it is much less than those provided by fruits and vegetables.
C)Whole grains are almost as good a source of phytochemicals as fruits and vegetables.
D)Whole grains provide as many if not more phytochemicals than fruits and vegetables.

Question 30

Which statement about the dietary recommendations for whole grains is correct?

A)The recommendation is for 6 servings of whole grains per day.
B)The recommendation is to get half of the grain servings from whole grains.
C)Most Americans consume more whole grains than is recommended.
D)Most Americans consume just the right amount of whole grain servings per day.