Vitamin K

Card Set Information

Author:
muzacgrl
ID:
108898
Filename:
Vitamin K
Updated:
2011-10-14 12:28:23
Tags:
Vitamin
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Description:
Vitamin K
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  1. 3 forms of Vitamin K?
    • 1. phylloquionone
    • 2. faroquinone
    • 3. menadione (most toxic form)
  2. Functions of Vitamin K?
    • blood clotting (synthesis of prothrombin)
    • necessary for digestion
  3. Vitamin K deficiency?
    • hemorrhaging
    • sulfa drugs & antibiotics over extended period of time can cause deficiency of Vitamin K
  4. Toxicity of Vitamin K?
    • vomiting
    • brain damage
    • break of RBC (erythrocyte hemolysis)
    • K3 most toxic
  5. Sources of Vitamin K?
    • intestinal bacteria in colon (50%)
    • plant sources--green leafy vegetables
    • liver,milk,egg yolk
  6. Characteristics of Vitamin K?
    • fat soluble
    • requires bile for absorption
    • transported in lymphatic system(like ALL other fat soluble vitamins)

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