Geriatric Nutrition
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Questions and Answers

What is a major hallmark of the aging process?

  • Absence of regulatory capacity in the face of external stressors
  • Decreased regulatory capacity in the face of external stressors (correct)
  • Increased capacity to regulate external stressors
  • Unchanged regulatory capacity in the face of external stressors
  • What is the effect of vitamin E on life span?

  • It decreases mean life span
  • It has no effect on life span
  • It has variable effects on life span
  • It increases mean life span (correct)
  • What is the result of biochemical components of cells becoming altered with time?

  • Their molecular function is enhanced
  • Their molecular function is unchanged
  • Their molecular function is compromised (correct)
  • Their molecular function is accelerated
  • What is the primary outcome of the aging process?

    <p>Death</p> Signup and view all the answers

    What is the effect of dietary restriction on maximal life span in animal studies?

    <p>It increases maximal life span</p> Signup and view all the answers

    What is the name of the theory that explains the aging process at the molecular level?

    <p>The free radical theory of aging</p> Signup and view all the answers

    What is the main function of vitamin E?

    <p>To break the chain of free radical reactions</p> Signup and view all the answers

    What is a common food source of the flavonoid quercetin?

    <p>Onions</p> Signup and view all the answers

    What is the primary action of flavonoids?

    <p>To act as antioxidants</p> Signup and view all the answers

    What is a benefit of vitamin C?

    <p>To support immune system function</p> Signup and view all the answers

    What is the function of vitamin A?

    <p>To support vision and immune system function</p> Signup and view all the answers

    What is curcumin?

    <p>A yellow curry spice</p> Signup and view all the answers

    What is the primary driving force behind molecular alterations in cells?

    <p>Free radicals in the form of highly reactive oxygen and nitrogen compounds</p> Signup and view all the answers

    What is the correlation between species longevity and repair mechanisms?

    <p>Species longevity is directly related to the efficiency of its repair mechanisms</p> Signup and view all the answers

    What is the expected outcome of increasing protection against free radicals or repairing free radical damage?

    <p>Positive effects on functionality and longevity</p> Signup and view all the answers

    Which of the following vitamins is not considered an antioxidant vitamin?

    <p>Vitamin D</p> Signup and view all the answers

    What is the primary goal of feeding vitamins with antioxidant properties?

    <p>To increase protection against free radicals</p> Signup and view all the answers

    Which of the following is a consequence of altered tissue function?

    <p>Aging and death of the whole organism</p> Signup and view all the answers

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