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66 Cards in this Set
- Front
- Back
what vitamin is thiamine?
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B1
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what advanced deficiency causes dry beriberi?
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B1 (thaimine)
1. affects the nervous system 2. leads to neuropathy 3. accompanied by inactivity and low calorie intake |
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what advanced deficiency causes wet beriberi?
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1. B1
2. affects the cardiovascular system 3. leads to high-output cardiac failure 4. accompained by severe physical exertion and high carb intake |
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what deficiency causes Wernicke-Korsafoff's syndrome?
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B1
*may see dry or wet beriberi |
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most thiamine deficiency in the US is d/t what?
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alcoholism
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describe dry beriberi involvement:
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1. advanced deficiency of thiamine
2. involves both the peripheral and CNS 3. Peripheral nerve involvement=symmetric motor and sensory neuropathy c/ pain, paresthesias and loss of reflexes 4. legs are more affected than the arms |
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what causes Wernicke-Korsafoff syndrome?
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1. central nervous system involvement from thiamin deficiency
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what is wernicke's encephalopathy characterized by?
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1. nystagmus progressing to ophthalmoplegia
2. truncal ataxia 3. confusion |
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what is Korsafkoff's syndrome characterized by?
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1. amnesia
2. confabulation 3. impaired learning |
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describe wet beriberi involvement:
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1. peripheral vasodilation resulting in high-output heart failure
2. dyspnea 3. tachycardia 4. cardiomegaly 5. pulmonary and peripheral edema 6. warm extremities mimicking cellulitis |
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what vitamin is riboflavin?
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B2
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what advanced deficiency causes cheilosis (mouth fissures)?
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B2 (riboflavin)
1. cheilosis (mouth fissures) 2. angular stomatitis 3. glossitis |
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what vitamin is niacin?
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B3
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what deficiency causes pellagra?
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B3(niacin)
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what is the classic triad of pellagra?
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B3 deficiency
1. dermatitis 2. diarrhea 3. dementia |
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what is niacin used therapeutically for?
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treatment of:
1. hypercholesterolemia 2. hypertriglyceridemia * in the form of nicotinc acid |
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what are the major food sources of niacin?
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1. protein foods containing tryptophan
2. cereals 3. vegetables 4. dairy |
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what is Hartnup's disease?
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1. dz of tryptophan metabolism
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what is seen in Hartnup's dz?
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1. dz of tryptophan metabolism
2. pellagra (3Ds) 3. B3 (niacin deficiency) |
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what vitamin is pantothenate?
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B5
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what deficiency causes enteritis and dermatitis?
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1. B5 (pantothenate) def
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what vitamin is pyridoxine?
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B6
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what is seen c/ B6 def?
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1. neuropathy (frequently caused by isoniazid therapy for TB)
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what are the clinical syndromes seen c/ deficiencies of B vitamins?
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1. mouth soreness
2. glossitis 3. cheilosis 4. weakness 5. irritability 6. severe deficiency=peripheral neuropathy, anemia and seizures |
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what should be routinely perscribed for patients receiving isoniazid?
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B6 (pyridoxine)
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what vitamin is cyanocobalamin?
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B12
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what is seen with deficiency of B12?
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1. pernicious anemia (lack of intrinsic factor)
2. leads to neuropathy, megaloblastic anemia, glossitis |
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what do you seen in pts with increased consumption of raw eggs?
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1. biotin deficiency
2. leading to enteritis 3. d/t the avidin in the raw eggs blocking the biotin absorption |
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what do you seen in pts c/ biotin deficiency?
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1. dermatitis
2. enteritis (caused by increased consumption of raw eggs, d/t the avidin in raw eggs blocking biotin absorption) |
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what is a co-factor for insulin and def. of this causes glucose intolerance?
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chromium
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what is seen in a chromium deficiency?
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1. glucose intolerance
2. chromium is a cofactor for insulin |
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what deficiency causes leukopenia and bone demineralization?
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copper def
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what is seen in a copper deficiency?
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1. leukopenia
2. bone demineralization |
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what is seen c/ B1 (thiamine) def?
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1. wet beriberi (high-output cardiac failure)
2. dry beriberi (peripheral neuropathy) 3. Wernicke and Korsakoff syndromes |
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what is seen c/ B2 (riboflavin) def?
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1. cheilosis
2. angular stomatitis 3. dermatitis |
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what is seen c/ B3 (niacin) def?
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1. Pellagra!!=dementia, dermatitis, diarrhea
2. stomatitis |
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what is seen c/ B6 (pyridoxine) def?
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1. peripheral neuropathy
2. cheilosis 3. stomatitis 4. convulsions in infants 5. microcytic anemia 6. seborrheic dermatitis |
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what is seen c/ B6 (pyridoxine) toxicity?
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1. peripheal neuropathy (only B vitamin--B6--with toxicity)
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what is seen c/ B12 (cobalamin)def?
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1. megaloblastic anemia
2. plus neurologic sx |
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what is seen c/ folic acid def?
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1. megaloblastic anemia
3. NO neurologic sx |
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what is seen c/ vitamin C def?
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1. scurvy (hermorrhages--skin petechiae, bone gums; loose teeth; gingivitis)
2. poor wound healing 3. hyperkeratotic hair follicles 4. bone pain (from periosteal hemorrhages) |
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what def causes microcytic anemia and koilonychia (sppon-shaped fingernails)?
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iron def
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what mineral toxicity causes hemochromatosis?
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iron toxicity
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what mineral def causes goiter, cretinism and hypothyroidism?
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iodine def
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what mineral toxicity causes myxedema?
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iodine toxicity
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what is seen in fluorine def?
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1. dental caries (cavities)
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what is seen in fluorine toxicity?
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1. fluorosis with mottling of teeth and bone exostoses
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what def causes hypogeusia (decreased taste), rash and slow wound healing?
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zinc def
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what is seen in zinc def?
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1. hypogeusia (decreased taste)
2. rash 3. slow wound healing |
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what def causes Menke's dz?
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1. copper def
Menke's dz=x-linked, kinky hair, mental retardation |
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what is Menke's dz?
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1. copper def
2. x-linked 3. kinky hair 4. mental retardation |
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what is seen with copper toxicity?
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Wilson's dz
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what def causes cardiomyopathy and muscle pain?
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selenium def
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what toxicity causes loss of hair and nails?
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selenium toxicity
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what is seen in selenium def?
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1. cardiomyopathy
2. muscle pain |
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what is seen c/ manganese toxicity?
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1. "manganese madness" in miners of ore
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what is seen c/ chromium def?
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impaired glucose tolerance
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what def does the tapeworm Diphyllobothrium latum cause?
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B12 def
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what is seen with folic acid def?
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1. neural tube defects
2. megaloblastic anemia (NO neurologic sx) |
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what is seen c/ iodine def?
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1. hypothyroidism
2. cretinism 3. goiter |
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what is plummer-vinson syndrome?
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1. from iron def
2. esophageal webs 3. spoon nails |
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what def causes Plummer-vinson sx?
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iron def
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what is seen with iron toxicity?
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1. hemochromatosis
2. leading to multiorgan failure and 3. bronze diabetes |
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what is bronze diabetes?
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hemochromatosis and multiorgan failure from iron toxicity
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what is seen with selenium def?
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1. myopathy
2. Keshan's disease (childhood cardiomyopathy) |
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what is Keshan's dz?
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1. childhood cardiomyopathy
2. secondary to selenium def 3. very common in China |