NUTR EXAM 1

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Author:
thefemmi
ID:
99486
Filename:
NUTR EXAM 1
Updated:
2011-09-02 11:53:49
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nutrition
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Description:
NUTR Ch1 & Ch2
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  1. NUTRITION
    Science of how living organisms obtain and use food to support all the processes required for existence
  2. Disciplines within the study of nutrition
    • • Food production and availability
    • • Why people choose to eat certain things
    • • Cultural influences on food intake and nutritional status
    • • How the body breaks down food and uses it for chemical and mechanical processes
  3. NUTRITIONAL SCIENTIST
    Scientists who study nutrition in immunology, medicine, genetics, biology, physiology, biochemistry, education, psychology, sociology
  4. DIETICIAN
    Nutrition professionals who help people make dietary changes and food choices to support a healthy lifestyle.
  5. NUTRIENT
    • Substance in foods used by the body to serve one or more of the following purposes:

    • • Provide a source of energy
    • • Maintain body structures
    • • Regulate chemical reactions in the body
  6. 6 Main Nutrient Categories - Based upon chemical structure and composition

    • • Carbohydrates

    • • Proteins

    • • Lipids

    • • Water

    • • Vitamins

    • • Minerals

  7. ESSENTIAL NUTRIENT
    A substance that must be obtained from the diet, because the body cannot make it in required amounts
  8. NONESSENTIAL NUTRIENT

    A substance found in food and used by the body to promote health but not required to be consumed in the diet

  9. CONDITIONALLY ESSENTIAL NUTRIENT
    Normally nonessential nutrient that, under some circumstances, becomes essential
  10. MACRONUTRIENT
    The class of nutrients that we need to consume in relatively large quantities (Water, Carbohydrates, Proteins, Lipids/Fats)
  11. MICRONUTRIENT
    The class of nutrients that we need to consume in relatively small quantities (Vitamins, Minerals)

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