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50 Cards in this Set
- Front
- Back
So far no convincing evidence exists indicating benefits from antioxidant supplements in well-nourished people.
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true
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A plant lacking a mineral or failing to make a needed vitamin dies before it can bear food for human consumption.
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true
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By definition, a vitamin is all of the following except:
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a non-essential nutrient
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A compound in food that can converted into an active vitamin inside the body know as:
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precursor
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Any disease that produces _____________ malabsorption can bring abour deficiencies of vitamin A, D, E, and K.
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fat
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Vitamin A plays an important role in:
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maintenance of body linings
reproduction |
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The amount of vitamin A a person needs is proportional to:
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body weight
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All of the following foods contain active vitamin A except:
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french fries
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Healthy people can eat vitamin A-rich foods in large amounts without risking toxicity, with the possible exception of:
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liver
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Population studies suggest that people whose diets lack foods rich in beta-carotene have a higher incidence of:
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macular degeneration
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Research suggests that deficiency of vitamin D may lead to:
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cardiovascular disease
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Which of the following is the most potentially toxic of all vitamins?
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D
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All of the following are significant food sources of vitamin D except:
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cereal
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The recommended intake for vitamin D is __________________ micrograms per day for adults over 70.
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15
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Much of the vitamin E people consume comes from:
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vegetable oils and products made from them
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A non-food source from which vitamin K can be obtained is:
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intestinal bacteria
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Characteristics of water-soluble vitamins include all of the following except:
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they are stored extensively in tissues
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Which of the following is not one of the functions of vitamin C?
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maintains bone density
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The DRI recommendations for vitamin C for women is _____ milligrams per day.
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75
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Which of the following should avoid vitamin C supplements?
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people with kidney disorders
people with too much iron in their blood |
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All of the following are good food sources of vitamin C except:
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milk
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The B vitamins act as part of:
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coenzymes
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Pellagra is a ______ deficiency disease.
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niacin
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Which of the following B vitamins is especially important for women of childbearing age to prevent neural tube defects?
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folate
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The main reason for fortifying enriched grain products with folic acid is to:
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reduce the incidence of birth defects call neural tube defects.
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An uninformed strict vegetarian is at special risk for ______ deficiency.
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vitamin B12
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Which vitamin aids in the conversion of tryptophan to niacin?
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vitamin B6
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The amount of _________ people need is proportional to protein intake.
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vitamin B6
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All of the following statements are true about choline except:
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the are no DRI recommendations
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The best way to select foods that are vitamin rich is to:
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select a wide variety of whole foods to get a balance of vitamins
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If someone did not meet the recommended intakes for the fat-soluble vitamins one day, you would tell him to:
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not be concerned as long as the diet as a whole provides average amounts that approximate the recommended intakes.
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You advise your grandmother against using mineral oil as a laxative because:
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it may result in loss of the fat-soluble vitamins through excretion
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The statement, "eat carrots because they are goof for your eyes," is correct because:
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the vitamin A precursor in carrots becomes activated to form rhodopsin in the eye.
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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:
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order a salad with cheese and carrots
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Who would be at he greatest risk of developing osteomalacia?
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women with low calcium intake and little exposure o the sun who have repeated pregnancies
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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:
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osteomalacia
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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:
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increased physical activity in organized sports
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Foods fortified with vitamin D are important because:
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very few foods have a naturally high vitamin D content
not everyone will be able to obtain adequate exposure to the sun |
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Which of the following would provide the highest amount of vitamin E?
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wheat germ oil
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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.
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vitamin E
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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?
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vitamin C
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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?
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folate
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All enriched grain products in the U.S. now have folic acid added to then because:
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most young women don't have an adequate intake of fruits and vegetables.
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Which of the following food combinations would ensure adequate intakes of thiamin without too many calories?
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small pork chop, green peas, and watermelon
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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:
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folate and vitamin C
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A woman who has been following a vegan diet and now has become pregnant most likely needs ______ supplements.
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vitamin D and vitamin B12
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An elderly person who is having difficulty tolerating dairy products and does not go outdoors may benefit from which of the following vitamin supplements?
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vitamin D
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Antioxidant nutrients that actively scavenge and quench free radicals in the body include:
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vitamin C
vitamin E |
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The USP symbol on the label of a vitamin supplement means that:
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-it contains the ingredients as listed on the label
-it will dissolve in the digestive system |
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You recommended that your friend not take stress formula vitamin C supplements because:
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the amount of vitamin C used during stress can easily be obtained from generous servings of fruits and vegetables.
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