Flashcard Set Preview
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Vitamin A Functions:
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-Vision, epithelial cells, mucous membranes, skin, bone and teeth growth, gene expression,...
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Vtiamin A deficiency:
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Blindness, impaired bone growth and decayed teeth, keratin lumps on skin, impaired immunity
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Vitamin A toxicity:
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Reduced bone density and pain, liver abnormalities, birth defects (overstimulated cell division)
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Vit A sources:
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Foods of animal origin:Highest liver and oil; milk, milk productsBrightly colored plant products:...
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Vit D Functions:
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Regulation of blood calcim and phosphorus levels-Functions as hormone
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VIt D Deficiency:
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Rickets, osteomalcia, malformed teeth
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Vit D Toxicity:
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Calcification of soft tissues, excessive thirst, weakness
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Vit D sources:
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butter, cream, fortified margerine, milk, sunlight
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Vit E functions:
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Antioxidant (protects cell membranes, regulates oxidation, protects polyunsaturated fatty acids)
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Vit E deficiency:
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widespread in food: hard to be deficient; cells store a lot and recycle; -nerve damage, red...
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Vit E toxicity:
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-No toxicity from food sources-ordinary supplemental does does not have toxic effects-Large...
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Vit E sources:
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-Most raw oils, wheat germ- smaller amounts from meat, eggs, milk
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Vit K functions:
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Synthesis blood clotting proteins and bone proteins
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Vit K sources:
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-leafy green veggies- intestinal bacteria (given to infants at birth cause they dont have this...
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Vit K deficiency:
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Not likely in adults; only infants and ppl taking antibiotics
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