2.3 Water Soluble

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Author:
efrain12
ID:
298408
Filename:
2.3 Water Soluble
Updated:
2015-03-14 20:45:10
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Description:
Water soluble
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  1. Be able to discuss the common occurrence of deficiency leading to vitamin discoveries and provide at least one example)
    • -usually occurred when the population affected did not have a varied diet
    • *no vitamin c food in boat, no thiamine foods other than rice
  2. Be able to discuss the common occurrence of deficiency leading to vitamin discoveries and provide at least one example) (2)
    • -populations living with unfortified white rice as their main stale displayed signs of edema, tachycardia, muscle weakness, anorexia, & enlarged heart
    • *beriberi

    -they found that beriberi could be cured by a subnstance extracted from rice polishing
  3. Be able to discuss the general differences between water-soluble vitamins and fat soluble vitamins and how the body handles them) (3)
    -absorbed into portal blood

    -not retained for long periods

    -excreted in urine when plasma levels exceed renal thresholds
  4. Be able to discuss the general differences between water-soluble vitamins and fat soluble vitamins and how the body handles them) (3)
    -absorbed in lymph

    -stores in adipose tissue

    -excreted through feces if not absorbed
  5. How are water soluble vitamins absorbed, in general, into the enterocytes in conditionswhen they a re abundant versus donations when they are sparse)
    Most tend to be absorbed by passive diffusion when consumed in large amounts
  6. How are water soluble vitamins absorbed, in general, into the enterocytes in donations when they a re abundant versus donations when they are sparse)
    Absorbed by facultative diffusion or active transport when amounts are sparse
  7. In general, how are water soluble vitamins usually excreted?
    Excreted in the urine b/c they are not stored in the body

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