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nutrition chapter 8

nutrition chapter 8
57問 • 1年前
  • Sedia Nyantee
    • 通報

    問題一覧

  • 1

    Which of the following is a molecule that combines with an enzyme to activate it and help it do its job?

    a coenzyme

  • 2

    What is the primary role of the B-vitamins?

    act as coenzymes

  • 3

    A compound called TPP activates an enzyme critical in carbohydrate metabolism. TPP is

    a coenzyme.

  • 4

    The first B-vitamin discovered was

    thiamin.

  • 5

    Which statement regarding thiamin is TRUE?

    Thiamin acts as a coenzyme in the metabolism of branched-chain amino acids.

  • 6

    A person suffering from fatigue, muscle wasting, reduced cognitive function, and paralysis is most likely to have which of the following conditions?

    beriberi

  • 7

    Which of the following is the BEST source of thiamin?

    a bowl of whole-grain cereal

  • 8

    Wernicke-Korsakoff syndrome is associated with the decreased absorption and utilization of

    thiamin

  • 9

    Which of these micronutrients is destroyed by exposure to light?

    riboflavin

  • 10

    Which of the following is NOT a symptom of pellagra?

    dizziness

  • 11

    Which vitamin can be made from the amino acid tryptophan?

    niacin

  • 12

    What is the primary symptom of niacin toxicity?

    flushing

  • 13

    How is vitamin B6 important in the metabolism of amino acids?

    It plays a critical role in transamination.

  • 14

    Pellagra results from a deficiency of

    niacin

  • 15

    Good sources of riboflavin include

    milk, meats, and green vegetables.

  • 16

    The primary sources of folate in the American diet are

    enriched ready-to-eat cereals, bread, and grain products.

  • 17

    Which of the following is NOT a key role of folate during embryonic development?

    maintenance of amniotic fluid

  • 18

    A toxicity of folate can disguise a deficiency of which nutrient, resulting in nerve damage?

    vitamin B12

  • 19

    Vitamin B12 is essential for the proper functioning of which type of cells?

    nerve

  • 20

    High concentrations of homocysteine in the blood are associated with the development of

    cardiovascular disease.

  • 21

    Which of the following are excellent sources of folate?

    ready-to-eat cereals and breads

  • 22

    A deficiency of which micronutrient may result in small red blood cells with inadequate hemoglobin?

    choline

  • 23

    The chronic overconsumption of which of the following foods can result in a biotin deficiency?

    raw egg whites

  • 24

    Which of the following is NOT a vitamin?

    choline

  • 25

    A lack of dietary iodine during pregnancy is the primary cause of which of the following medical conditions, worldwide?

    cretinism

  • 26

    Iodine is essential for the synthesis of which kind of hormones?

    thyroid hormones

  • 27

    A goiter can result from

    too much or too little iodine in the diet.

  • 28

    Chromium assists in the transport of which of the following to the cells?

    glucose

  • 29

    There is neither an RDA or an Al for

    sulfur.

  • 30

    Hydrogen gas (H2) is an example of

    molecule.

  • 31

    In an atom, the electrons orbiting around the nucleus have what kind of a charge?

    negative

  • 32

    A chemical reaction in which atoms lose electrons is known as

    oxidation.

  • 33

    Which of the following statements is FALSE regarding free radicals?

    Our body has no mechanism to stabilize free radicals.

  • 34

    Free radicals

    can damage the integrity of cell membranes.

  • 35

    Which of the following act as cofactors in antioxidant enzyme systems?

    antioxidant minerals

  • 36

    Which of the following diseases has NOT been linked to free radical damage?

    osteoporosis

  • 37

    The most potent form of vitamin E is

    alpha-tocopherol.

  • 38

    Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

    vitamin C

  • 39

    Jane takes anticoagulant medication daily to prevent blood clots. Which vitamin must she avoid taking in excess of the RDA because it could interact with the medication and cause uncontrollable bleeding?

    vitamin E

  • 40

    About 90 percent of vitamin E is stored in

    adipose tissue.

  • 41

    To consume the highest level of vitamin E, what should Hari spread on his toast?

    peanut butter

  • 42

    A deficiency of which of the following can result in erythrocyte hemolysis, leading to anemia?

    vitamin E

  • 43

    Which of the following statements concerning vitamin C is Which of the following statements concerning vitamin C is

    Vitamin C helps protect smokers' lungs from oxidative damage prompted by tobacco smoke

  • 44

    Which of the following statements is FALSE regarding the mineral selenium?

    Selenium is present only in foods of animal origin.

  • 45

    How much beta-carotene is considered equivalent to one unit of vitamin A?

    twelve units

  • 46

    Beta-carotene is a precursor of

    retinol.

  • 47

    Beta-carotene is

    an antioxidant phytochemical.

  • 48

    MOST of the body's vitamin A is stored in the

    liver

  • 49

    Vitamin A plays an essential role in the human body in

    maintaining healthy vision.

  • 50

    The light-sensitive pigment found in rod cells and formed by retinal and opsin is

    rhodopsin.

  • 51

    Which of the following lunches would provide the MOST preformed vitamin A?

    an egg-salad sandwich and a glass of whole milk

  • 52

    Diseases that cause the malabsorption of fat can result in a deficiency of

    vitamin A

  • 53

    Which of the following provides more than the RDA of vitamin A?

    cup of cooked carrots

  • 54

    Why are dark green vegetables such as kale and spinach good sources of vitamin A?

    They contain abundant beta-carotene, a precursor of retinol.

  • 55

    What cells enable us see in different colors?

    cone cells

  • 56

    Rod cells use retinol from the bloodstream to

    replace the retinal lost during bleaching.

  • 57

    To treat her moderate acne, Rita's dermatologist is most likely to give her a prescription for

    Retin-A.

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    問題一覧

  • 1

    Which of the following is a molecule that combines with an enzyme to activate it and help it do its job?

    a coenzyme

  • 2

    What is the primary role of the B-vitamins?

    act as coenzymes

  • 3

    A compound called TPP activates an enzyme critical in carbohydrate metabolism. TPP is

    a coenzyme.

  • 4

    The first B-vitamin discovered was

    thiamin.

  • 5

    Which statement regarding thiamin is TRUE?

    Thiamin acts as a coenzyme in the metabolism of branched-chain amino acids.

  • 6

    A person suffering from fatigue, muscle wasting, reduced cognitive function, and paralysis is most likely to have which of the following conditions?

    beriberi

  • 7

    Which of the following is the BEST source of thiamin?

    a bowl of whole-grain cereal

  • 8

    Wernicke-Korsakoff syndrome is associated with the decreased absorption and utilization of

    thiamin

  • 9

    Which of these micronutrients is destroyed by exposure to light?

    riboflavin

  • 10

    Which of the following is NOT a symptom of pellagra?

    dizziness

  • 11

    Which vitamin can be made from the amino acid tryptophan?

    niacin

  • 12

    What is the primary symptom of niacin toxicity?

    flushing

  • 13

    How is vitamin B6 important in the metabolism of amino acids?

    It plays a critical role in transamination.

  • 14

    Pellagra results from a deficiency of

    niacin

  • 15

    Good sources of riboflavin include

    milk, meats, and green vegetables.

  • 16

    The primary sources of folate in the American diet are

    enriched ready-to-eat cereals, bread, and grain products.

  • 17

    Which of the following is NOT a key role of folate during embryonic development?

    maintenance of amniotic fluid

  • 18

    A toxicity of folate can disguise a deficiency of which nutrient, resulting in nerve damage?

    vitamin B12

  • 19

    Vitamin B12 is essential for the proper functioning of which type of cells?

    nerve

  • 20

    High concentrations of homocysteine in the blood are associated with the development of

    cardiovascular disease.

  • 21

    Which of the following are excellent sources of folate?

    ready-to-eat cereals and breads

  • 22

    A deficiency of which micronutrient may result in small red blood cells with inadequate hemoglobin?

    choline

  • 23

    The chronic overconsumption of which of the following foods can result in a biotin deficiency?

    raw egg whites

  • 24

    Which of the following is NOT a vitamin?

    choline

  • 25

    A lack of dietary iodine during pregnancy is the primary cause of which of the following medical conditions, worldwide?

    cretinism

  • 26

    Iodine is essential for the synthesis of which kind of hormones?

    thyroid hormones

  • 27

    A goiter can result from

    too much or too little iodine in the diet.

  • 28

    Chromium assists in the transport of which of the following to the cells?

    glucose

  • 29

    There is neither an RDA or an Al for

    sulfur.

  • 30

    Hydrogen gas (H2) is an example of

    molecule.

  • 31

    In an atom, the electrons orbiting around the nucleus have what kind of a charge?

    negative

  • 32

    A chemical reaction in which atoms lose electrons is known as

    oxidation.

  • 33

    Which of the following statements is FALSE regarding free radicals?

    Our body has no mechanism to stabilize free radicals.

  • 34

    Free radicals

    can damage the integrity of cell membranes.

  • 35

    Which of the following act as cofactors in antioxidant enzyme systems?

    antioxidant minerals

  • 36

    Which of the following diseases has NOT been linked to free radical damage?

    osteoporosis

  • 37

    The most potent form of vitamin E is

    alpha-tocopherol.

  • 38

    Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?

    vitamin C

  • 39

    Jane takes anticoagulant medication daily to prevent blood clots. Which vitamin must she avoid taking in excess of the RDA because it could interact with the medication and cause uncontrollable bleeding?

    vitamin E

  • 40

    About 90 percent of vitamin E is stored in

    adipose tissue.

  • 41

    To consume the highest level of vitamin E, what should Hari spread on his toast?

    peanut butter

  • 42

    A deficiency of which of the following can result in erythrocyte hemolysis, leading to anemia?

    vitamin E

  • 43

    Which of the following statements concerning vitamin C is Which of the following statements concerning vitamin C is

    Vitamin C helps protect smokers' lungs from oxidative damage prompted by tobacco smoke

  • 44

    Which of the following statements is FALSE regarding the mineral selenium?

    Selenium is present only in foods of animal origin.

  • 45

    How much beta-carotene is considered equivalent to one unit of vitamin A?

    twelve units

  • 46

    Beta-carotene is a precursor of

    retinol.

  • 47

    Beta-carotene is

    an antioxidant phytochemical.

  • 48

    MOST of the body's vitamin A is stored in the

    liver

  • 49

    Vitamin A plays an essential role in the human body in

    maintaining healthy vision.

  • 50

    The light-sensitive pigment found in rod cells and formed by retinal and opsin is

    rhodopsin.

  • 51

    Which of the following lunches would provide the MOST preformed vitamin A?

    an egg-salad sandwich and a glass of whole milk

  • 52

    Diseases that cause the malabsorption of fat can result in a deficiency of

    vitamin A

  • 53

    Which of the following provides more than the RDA of vitamin A?

    cup of cooked carrots

  • 54

    Why are dark green vegetables such as kale and spinach good sources of vitamin A?

    They contain abundant beta-carotene, a precursor of retinol.

  • 55

    What cells enable us see in different colors?

    cone cells

  • 56

    Rod cells use retinol from the bloodstream to

    replace the retinal lost during bleaching.

  • 57

    To treat her moderate acne, Rita's dermatologist is most likely to give her a prescription for

    Retin-A.