1. Vitamin a is also known as
  2. 1 micro gram of retinal is equal to
    12 beta karotine
  3. functions of vitamin A
    • Supports reproduction
    • Regulates growth by breaking down bone
    • helps vision maintenance of cornea and other cells
    • Carries Oxygen to the Cornea
  4. osteoclast
    Break apart bone
  5. opsin
    Combines with vitamin A to make rhodopsin which is a chemical that aids in vision
  6. How does Vitamin A get to the body
    has Retinol binding proteins
  7. Keratin
  8. Vitamin A sources
    milk, egg yolks, animal fats, butter, any type of fat from animals, or you can get its precursor from fruits and vegetables
  9. Vitamin A Deficiency
    • Night blindness- eyes cannot adjust very well to different levels of light
    • Bitots spots
    • Karatomalacia
    • Xerosis
    • Xerophthalmia
    • impaired immunity¬†
    • plugging of hair follicles with keratin forming white lumps
  10. Toxicity of Hypervitaminosis A
    • blurred vison¬†
    • birth defects
  11. Sir Douglas Mawson
    traveled to the South Pole and ran out of food, had to eat the sled dogs and his men died from to much vitamin A
  12. Vitamin D name
  13. precursor of Vitamin D
  14. Vitamin D DRI
    5 to 15 micro grams a day
  15. vitamin D function
  16. Vitamin D sources
    • Sunlight
    • Fortifies milk, margarine, butter, cereals, and chocolate mixes
    • veal, beef, egg yolks, liver, fatty fish (herring, salmon, sardines)
  17. how the body makes vitamin D
    Cholesterol is under thsi skin and with the help of sunlight is able to create vitamin d that will need to go through a few more reactions before it can be used by the body
  18. Vitamin D deficiency
    • Rickets, most prominently in children
    • Osteomalacia in adults and increases your risk of developing osteoporosis
  19. beading on the ribs during rickets
  20. Sources of Vitamin E
    Good fats, oil
  21. Other facts about vitamin E
    • Easily destroyed by heat and oxogyn
    • Toxicity can effect blood clotting medecine
  22. Deficiancy of Vitamin D
    • Hemolytic anemia
    • Red blood cell breakage
    • Nerve damage
  23. vitamin K functions
    • aids in blood clotting
    • promotes synthesis of blood clotting proteins
  24. vitamin K sources
    • Liver
    • Leafy Green Vegetables
    • Cabbage-type vegetables
    • milk
  25. what two vitamins can be made in the GI tract
    Biotin and Vitamin K
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