Nutrition - Vitamins
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| show | Liver, green leafy vegetables, yellow-orange vegetables, fruit & fortified foods
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| In what organ/cell does Vitamin A gets absorbed in first? As what substance? | show 🗑
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| show | Retinyl esters in chylomicrons
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| show | RBP-retinol
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| show | Retinol; Retinyl esters
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| show | Vision, reproduction, immune function, cell proliferation, cell signaling,
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| What form of Vitamin A is used for vision? | show 🗑
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| What form of Vitamin A is used for immune function? | show 🗑
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| show | Ocular problems and/or depressed immune function
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| show | Night Blindness, blindness, xerophthalmia, Keratomalacia (dry eyes,irreversible), keratinization of tracheal epithelium
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| show | Structural damage to the cornea and Bitot's spot
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| What are the clinical signs and symptoms for Vitamin A toxicity? | show 🗑
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| show | -Fatty fish, fish oils, fortified foods like milk, cereal, and breads
-Rare in food
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| show | Liver
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| show | 25(OH)D; Prostate gland, breast, colon, lung, immune cells, and kidney
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| The kidney convert 25(OH)D to what form of Vitamin D? What is this form of Vitamin D involved with? | show 🗑
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| The prostate gland, breast, colon, lung, immune cells produce what form of Vitamin D? What does this form of Vitamin D do for the body? | show 🗑
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| show | Rickets; Disorganization & hypertrophy of chondrocytes at mineralization front
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| Deficiency of Vitamin D would lead to what disease in adults? Describe the disease. | show 🗑
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| Toxicity of Vitamin D | show 🗑
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| Describe the absorption of Vitamin E (part 1) | show 🗑
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| show | -The movement of Vitamin E throughout the lymphatic system is identical to that of cholesterol and fats. Once absorbed in the liver is incorporated into VLDLs or used to make water-soluble metabolites of vitamin E.
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| show | Vitamin E from other cells is packaged into HDLs and transported throughout the body
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| Describe Vitamin E's function as a free radical scavenger | show 🗑
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| show | -modulate protein kinase C activity
-alter cell proliferation
-induce arachidonic acid synthesis
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| Significant sources of Vitamin E | show 🗑
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| What has animal studies shown us about Vitamin E deficiency? | show 🗑
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| Describe Vitamin E Deficiency's clinical signs, symptoms, and diseases | show 🗑
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| show | -Increase immune response
-Decrease risk of cardiovascular disease
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| show | -Supplements
-Increase blood coagulation time and possible risk of hemmorrhage
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| Significant Sources of Vitamin K from diet | show 🗑
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| Describe Vitamin K (Phylloquinone) absorption | show 🗑
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| show | -Secondary deficiency
-normal "flora" bacteria (prod Vit K) is absent in newborns
-Vit K is typically low in breast milk
-Hypothrombinemia in newborns
-commercial infant formula is formulated w/ Vit K
-Mothers can increase vit K lvls in breast milk w
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| Describe Vitamin K deficiency | show 🗑
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| show | -Plasma/serum phylloquinone concentrations not typically used
-Prothrombin time-an indirect test used to assess Vitamin K levels
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jgrayson
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