Nutrition Chapter 8 – Flashcards
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Which of the following cooking methods will likely destroy the MOST vitamin C in food?
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boiling
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Symptoms of a vitamin C deficiency include
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bleeding gums and loose teeth
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Which of the following would NOT help reduce the risk for developing cancer?
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consuming nitrites and nitrates
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Which of the following foods would be the BEST dietary source of preformed vitamin A?
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eggs
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Vitamin A plays an essential role in the human body in
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maintaining healthy vision
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Which of the following foods are the richest sources of vitamin E?
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vegetable oils, nuts, and seeds
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Free radicals
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are formed by exposure to air pollution and tobacco smoke
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Once the DNA of the cell is mutated and the altered cells begin to grow, the development of cancer is inevitable.
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false
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In an atom, the electrons orbiting around the nucleus have what kind of a charge?
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negative
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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?
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vitamin E
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Which of the following diseases has NOT been linked to free radical damage?
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type 1 diabetes
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Which of the following is a compound that is needed to activate an enzyme?
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a co-factor
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Which of the following minerals can function as an antioxidant?
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selenium
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Which water-soluble vitamin can regenerate vitamin E after it has been oxidized?
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vitamin C
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Which if the following is NOT a proposed mechanism by which antioxidants help prevent cancer?
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serving pro-oxidants against cancer cells
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Research studies have consistently demonstrated an association between a reduced risk of cancer and
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ncreased consumption of fruits and vegetables.
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Which of the following statements is FALSE regarding free radicals?
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are body has no mechanism to combat free radicals.
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Which of the following are required components of antioxidant enzyme systems?
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antioxidants minerals.
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A chemical reaction in which atoms lose electrons is
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oxidation.
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Which of the following statements is FALSE regarding the mineral selenium?
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Selenium is present only in foods of animal origin.
