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10 Cards in this Set
- Front
- Back
Which of the following vitamins can be toxic when taken in large doses?
Vit A Niacin Vit D Pyridoxine All of the above |
All of the above
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What are the clinical signs of Vit A deficiency?
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Follicular hyperkeratinosis, scaling skin, night blindness, keratomalacia, blindness
Increased risk or morbidity from infections(measles) |
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True/False: Stores of thiamin can lost for a long time
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FALSE--remember Louie..deficiency of thiamin happened pretty rapidly
You need thiamin to metabolize carbs |
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What are the signs of thiamin deficiency?
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Wet and dry beriberi
Alcoholic polyneuropathy Wernicke-Korsakoff syndrome--disorientation, cerebellar ataxia, confabulation, apthelmoplegia |
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Too much pyrodoxine can cause what?
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Ataxia and sensory neuropathy with doses as low as 200 mg/day for several months
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What drug is an anti-folate?
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Methotrexate--this can be used to treat overdose
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What is a significant sign of vit B deficiency?
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Tuning fork on head and you can't hear the vibrations
Also proprioreception is dysfunctional |
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What lab is used to test for vitamin B12 deficiency?
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Schilling test
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How long do vit C stores last?
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There are no stores--longevity with minimal intake is around 6 weeks
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Perifollicular petechiae indicate what?
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Vit C deficiency
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