Vitamins: Structure, Function, and Clinical Importance
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Questions and Answers

Which of the following best describes vitamins?

  • Chemicals found in large amounts in specific foods
  • Substances that can be synthesized by the body in sufficient quantities
  • Nutrients that do not play a role in maintaining good health
  • Organic components in food that are needed in very small amounts (correct)

    • What happens when water soluble vitamins are consumed in excess?

  • They are converted into fat soluble vitamins
  • They become part of tissue structures
  • They are stored in adipose tissue and the liver
  • Their excess is excreted with urine (correct)

    • What distinguishes vitamins from other organic foodstuffs?

  • They provide energy through degradation (correct)
  • They can be synthesized by the body
  • They are not essential for normal physiologic function
  • They enter into tissue structures

    • Why are vitamins required in small quantities in the diet?

    <p>Because they cannot be synthesized by the body</p> Signup and view all the answers

    What is the general characteristic of water soluble vitamins?

    <p>They do not enter into tissue structures</p> Signup and view all the answers

    Which of the following best describes the general characteristics of vitamins?

    <p>Vitamins are natural components of foods and are essential for normal physiologic function</p> Signup and view all the answers

    What distinguishes vitamins from other organic foodstuffs?

    <p>Vitamins enter into tissue structures</p> Signup and view all the answers

    Why are water soluble vitamins unable to be stored in human tissues?

    <p>They are excreted with urine when consumed in excess</p> Signup and view all the answers

    What happens to fat soluble vitamins when consumed in significant amounts?

    <p>They can be stored in adipose tissue and the liver</p> Signup and view all the answers

    Which statement about synthetic vitamins is accurate?

    <p>Synthetic vitamins are identical to natural vitamins</p> Signup and view all the answers

    Which of the following best describes the general characteristics of vitamins?

    <p>Vitamins cannot be synthesized by the body and are needed in small amounts</p> Signup and view all the answers

    What is the main difference between vitamins and other organic foodstuffs?

    <p>Vitamins cannot enter tissue structures and do not provide energy when degraded</p> Signup and view all the answers

    Why are water soluble vitamins unable to be stored in human tissues?

    <p>They are excreted with urine when consumed in excess</p> Signup and view all the answers

    What happens to fat soluble vitamins when consumed in significant amounts?

    <p>They are stored in adipose tissue and the liver</p> Signup and view all the answers

    Which statement about synthetic vitamins is accurate?

    <p>Synthetic vitamins are identical to natural vitamins</p> Signup and view all the answers

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