Nutrition Final Exam Ch. 7

Front 1

So far no convincing evidence exists indicating benefits from antioxidant supplements in well-nourished people.

Back 1

true

Front 2

A plant lacking a mineral or failing to make a needed vitamin dies before it can bear food for human consumption.

Back 2

true

Front 3

By definition, a vitamin is all of the following except:

Back 3

a non-essential nutrient

Front 4

A compound in food that can converted into an active vitamin inside the body know as:

Back 4

precursor

Front 5

Any disease that produces _____________ malabsorption can bring abour deficiencies of vitamin A, D, E, and K.

Back 5

fat

Front 6

Vitamin A plays an important role in:

Back 6

maintenance of body linings
reproduction

Front 7

The amount of vitamin A a person needs is proportional to:

Back 7

body weight

Front 8

All of the following foods contain active vitamin A except:

Back 8

french fries

Front 9

Healthy people can eat vitamin A-rich foods in large amounts without risking toxicity, with the possible exception of:

Back 9

liver

Front 10

Population studies suggest that people whose diets lack foods rich in beta-carotene have a higher incidence of:

Back 10

macular degeneration

Front 11

Research suggests that deficiency of vitamin D may lead to:

Back 11

cardiovascular disease

Front 12

Which of the following is the most potentially toxic of all vitamins?

Back 12

D

Front 13

All of the following are significant food sources of vitamin D except:

Back 13

cereal

Front 14

The recommended intake for vitamin D is __________________ micrograms per day for adults over 70.

Back 14

15

Front 15

Much of the vitamin E people consume comes from:

Back 15

vegetable oils and products made from them

Front 16

A non-food source from which vitamin K can be obtained is:

Back 16

intestinal bacteria

Front 17

Characteristics of water-soluble vitamins include all of the following except:

Back 17

they are stored extensively in tissues

Front 18

Which of the following is not one of the functions of vitamin C?

Back 18

maintains bone density

Front 19

The DRI recommendations for vitamin C for women is _____ milligrams per day.

Back 19

75

Front 20

Which of the following should avoid vitamin C supplements?

Back 20

people with kidney disorders
people with too much iron in their blood

Front 21

All of the following are good food sources of vitamin C except:

Back 21

milk

Front 22

The B vitamins act as part of:

Back 22

coenzymes

Front 23

Pellagra is a ______ deficiency disease.

Back 23

niacin

Front 24

Which of the following B vitamins is especially important for women of childbearing age to prevent neural tube defects?

Back 24

folate

Front 25

The main reason for fortifying enriched grain products with folic acid is to:

Back 25

reduce the incidence of birth defects call neural tube defects.

Front 26

An uninformed strict vegetarian is at special risk for ______ deficiency.

Back 26

vitamin B12

Front 27

Which vitamin aids in the conversion of tryptophan to niacin?

Back 27

vitamin B6

Front 28

The amount of _________ people need is proportional to protein intake.

Back 28

vitamin B6

Front 29

All of the following statements are true about choline except:

Back 29

the are no DRI recommendations

Front 30

The best way to select foods that are vitamin rich is to:

Back 30

select a wide variety of whole foods to get a balance of vitamins

Front 31

If someone did not meet the recommended intakes for the fat-soluble vitamins one day, you would tell him to:

Back 31

not be concerned as long as the diet as a whole provides average amounts that approximate the recommended intakes.

Front 32

You advise your grandmother against using mineral oil as a laxative because:

Back 32

it may result in loss of the fat-soluble vitamins through excretion

Front 33

The statement, "eat carrots because they are goof for your eyes," is correct because:

Back 33

the vitamin A precursor in carrots becomes activated to form rhodopsin in the eye.

Front 34

You eat frequently at fast-food restaurants. in order to improve the nutritional quality and vitamin A content of a typical fast-food meal you would:

Back 34

order a salad with cheese and carrots

Front 35

Who would be at he greatest risk of developing osteomalacia?

Back 35

women with low calcium intake and little exposure o the sun who have repeated pregnancies

Front 36

You have a friend who has very little exposure to the sun and she consumes very few calcium-rich foods. In addition, she has a 2-year-old child and 3-month-old twins. Your friend is at very high risk for developing:

Back 36

osteomalacia

Front 37

There has been an increase recently n new cases of rickets in children in the U.S. All of the following might contribute to this except:

Back 37

increased physical activity in organized sports

Front 38

Foods fortified with vitamin D are important because:

Back 38

very few foods have a naturally high vitamin D content
not everyone will be able to obtain adequate exposure to the sun

Front 39

Which of the following would provide the highest amount of vitamin E?

Back 39

wheat germ oil

Front 40

You have a friend who eats a lot of highly-processed foods, and convenience foods, but does drink fortified milk. You tell your friend that she is at risk for developing _______ deficiency.

Back 40

vitamin E

Front 41

Tobacco use introduces oxidants into the body that can do potential harm to the body tissues. What antioxidant plays an important role in protecting sensitive blood constituents from being damaged, and so is needed in much higher amounts in people exposed to tobacco products and smoke?

Back 41

vitamin C

Front 42

As a reaction to the increasing rate of the birth of children with neural tube defects in the U.S. the FDA instituted a new fortification program for all grain and cereal products in conjunction with public health programs. Which vitamin was added to these foods?

Back 42

folate

Front 43

All enriched grain products in the U.S. now have folic acid added to then because:

Back 43

most young women don't have an adequate intake of fruits and vegetables.

Front 44

Which of the following food combinations would ensure adequate intakes of thiamin without too many calories?

Back 44

small pork chop, green peas, and watermelon

Front 45

Current recommendations for fruit and vegetable intakes are for us to consume a variety from each category on a daily basis. The two vitamins that rely heavily on our consumption of leafy greens and citrus fruits, as well as other fruits and vegetables, are:

Back 45

folate and vitamin C

Front 46

A woman who has been following a vegan diet and now has become pregnant most likely needs ______ supplements.

Back 46

vitamin D and vitamin B12

Front 47

An elderly person who is having difficulty tolerating dairy products and does not go outdoors may benefit from which of the following vitamin supplements?

Back 47

vitamin D

Front 48

Antioxidant nutrients that actively scavenge and quench free radicals in the body include:

Back 48

vitamin C
vitamin E

Front 49

The USP symbol on the label of a vitamin supplement means that:

Back 49

-it contains the ingredients as listed on the label
-it will dissolve in the digestive system

Front 50

You recommended that your friend not take stress formula vitamin C supplements because:

Back 50

the amount of vitamin C used during stress can easily be obtained from generous servings of fruits and vegetables.