Term
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Definition
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Term
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Definition
Energy metabolism, taste/smell |
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Term
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Definition
regulation of iron metabolism, pigmentation |
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Term
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Definition
thyroid hormone synthesis |
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Term
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Definition
protection against free radicals |
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Term
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Definition
maintenance of teeth and bone |
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Term
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Definition
brain function, glucose/lipid metabolism |
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Term
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Definition
use of blood glucose, function of insulin |
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Term
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Definition
metabolism of purines and pyrimidines |
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Term
what is the charge on ferrous and ferric iron |
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Definition
ferrous is 2+ ferric is 3+ |
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Term
How does iron function in energy metabolism? |
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Definition
cytochromes (heme bounded to protein) in ETC |
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Term
what form of iron is absorbed into intestinal mucosal cells? |
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Definition
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Term
TF humans have no active mechanism of getting rid of iron |
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Definition
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Term
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Definition
binds to ferritin in mucosal cells: it will store iron and eventually will get cleaved off and lost in feces |
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Term
what does transferrin do? |
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Definition
transports Fe from mucosal cells to liver |
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Term
What is MFP factor related to |
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Definition
it is in meat and it enhances the absorption of Fe |
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Term
What are the random things that enhance iron absorption? |
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Definition
MFP factor, vitamin C, stomach acid, increased need |
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Term
what is the best source of iron? |
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Definition
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Term
where is iron stored, and bound to what protein? |
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Definition
liver: ferritin spleen: hemosiderin |
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Term
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Definition
iron regulatory hormone produced in the liver, blocks iron absorption and release it from storage site |
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Term
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Definition
high iron stores, infection, inflammation |
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Term
what are the two types of anemia? |
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Definition
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Term
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Definition
genetic disorder that causes excess absorption, iron overload and liver damage fatigue and mild joint pain are early symptoms: late are liver disease, endocrine disorders and severe arthritis |
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Term
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Definition
blood tests, genotyping, liver biopsy |
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Term
how does avoiding coffee or tea with meals affect iron absorption? |
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Definition
the polyphenols in the drinks reduce absorption |
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Term
what are the symptoms of zinc deficiency? |
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Definition
dwarfism, anemia, lethargy, hyopgonadism |
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Term
what is the main function of zinc? |
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Definition
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Term
what is the best source of zinc? |
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Definition
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Term
What is the process of zinc absorption? |
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Definition
bound to metallothionein in mucosal cell, transported by albumin, and excess is lost in feces |
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Term
what affects zinc absorption? |
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Definition
fiber and phytates, influenced by other minerals such as zinc |
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Term
what is enteropancreatic recirculation? |
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Definition
the cycle of zinc in the body |
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Term
Acrodematitis Enteropathica |
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Definition
autosomal/recessive metabolic disorder that is a mutation in gene encoding an intestinal zinc transporter -->similar to acquired zinc deficiency |
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Term
what can cause a potential cu or fe deficiency? |
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Definition
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Term
Which mineral's bioavailability is influenced by goitrogens? |
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Definition
iodine Found in cabbage family plants; it inhibits iodine uptake by the thyroid but is destroyed by cooking! |
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Term
What mineral functions in iron metabolism? |
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Definition
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Term
what enzyme is associated with antioxidant activity in copper? |
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Definition
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Term
what enzyme is associated with collagen synthesis in copper? |
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Definition
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Term
what enzyme is associated with ETC in copper? |
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Definition
dont have it potentially just copper transporters and chaperones |
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Term
what enzyme is associated with pigmentation activity in copper? |
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Definition
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Term
what two proteins are associated with copper? |
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Definition
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Term
High intake of ____ blocks copper absorption |
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Definition
zinc (both utilize metallothionein) |
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Term
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Definition
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Term
what mineral is incorporated into ceruloplasmin in liver? |
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Definition
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Term
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Definition
a genetic disease that is a reduced absorption of copper: causes a systemic copper deficiency |
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Term
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Definition
excess copper: GI effects, liver damage |
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Term
What mineral excess causes a ring in the eye? |
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Definition
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Term
what are the functions of manganese? |
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Definition
enzyme cofactor: urea synthesis, pyruvate->oxaloacetate, bone formation |
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Term
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Definition
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Term
what deficiency is unknown in humans? |
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Definition
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Term
What can cause excess of manganese? |
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Definition
environmental factors: mines steel mills:::nervous system effects |
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Term
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Definition
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Term
what mineral maintains glucose homeostasis and does carbohydrate and lipid metabolism? |
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Definition
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Term
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Definition
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Term
what mineral is carcinogenic at high doses? |
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Definition
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Term
TF supplements may help a marginal deficiency |
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Definition
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Term
What does Selenium function as? |
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Definition
antioxidant enzyme systems |
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Term
What is glutathione peroxidase |
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Definition
it neutralizes peroxides and is associated with selenium |
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Term
What regulates thyroid hormone metabolism (synthesis) |
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Definition
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Term
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Definition
selenium deficiency and exposure to a virus: causes cardiomyopathy |
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Term
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Definition
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Term
what are lima beans a good source of? |
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Definition
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Term
how are fat soluble vitamins absorbed? |
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Definition
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Term
where are fat soluble vitamins stored? |
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Definition
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Term
what are the two forms of vitamin A |
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Definition
retinoids: retinol, retinal, retinoic acid carotenoids; b-carotene, a, etc |
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Term
___supports reproduction, _____ participates in vision, and ______ regulates growth |
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Definition
retinol, retinal, retinoic acid |
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Term
What of vitamin A are antioxiadants |
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Definition
pro vitamins (carotenoids) |
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Term
What vitamin aids in epithelial cells? |
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Definition
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Term
How does vitamin A affect gene expression? |
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Definition
enters cell and binds to receptor, binds to DNA, controls gene expression (transcription) and regulates cell differentiation |
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Term
what is xerophthalmia and what vitamin is it associated with? |
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Definition
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Term
what vit deficiency is keratinization? |
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Definition
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Term
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Definition
retinoids only: permanent liver, bone, eye damage |
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Term
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Definition
yellowish palsm and soles of feet |
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Term
What vitamin are polar bears connected to? |
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Definition
Vitamin A: polar bear liver has tons of preformed retinoic acid and people were getting liver damage from it |
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Term
what are the different forms of vitamin D and their activity |
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Definition
cholecaliciferol, hydroxilated in liver to 25, hydroxycholecalciferol and then in kidney gets converted to 1,25 dihydroxycholecalciferol (calcitriol) ACTIVE FORM |
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Term
what is the precursor to vitamin D? |
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Definition
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Term
how does vit D help to regulate blood calcium levels? |
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Definition
increase intestinal absorption of Ca, increase kidney reabsorption and increase reabsorption from bone |
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Term
vit D deficiency in kids/adults |
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Definition
kids: rickets: growth retardation, skeletal abnormalities adults: osteomalacia- soft bones, increased fracture risk |
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Term
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Definition
vitamin D excess: calcium deposits in heart, kidneys, blood vessels |
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Term
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Definition
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Term
what is the most active form of vitamin E? |
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Definition
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Term
what is the major function of vitamin E? |
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Definition
antioxidant that protect cell membranes: lungs, blood cells
also protects lipids |
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Term
food sources of vitamin E? |
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Definition
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Term
What deficiency can cause hemolytic anemia |
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Definition
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Term
what vitamin can interfere with vitamin K? |
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Definition
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Term
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Definition
phylloquinones (plants) menaquinones (animals, bacteria) menadione (synthetic) |
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Term
what activates osteocalcin? |
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Definition
vitamin K: bone protein synthesis |
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Term
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Definition
poison that inhibits blood clotting |
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Term
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Definition
liver, green veggies, milk, eggs |
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Term
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Definition
impaired clotting, abnormal bone formation |
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Term
what factors affect vitamin K utilization |
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Definition
antibiotic therapy, excess A or E, anti-coagulant medications |
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Term
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Definition
a standard vitamin K injection |
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Term
what is melatonin used to treat? |
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Definition
jet lag, disturbed sleep cycles |
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Term
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Definition
some evidence of effectiveness |
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Term
what are used for arthritic and joint pain? |
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Definition
glucosamine, chondroitin, SAM-e: limited evidence |
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Term
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Definition
mental well being, antidepressant |
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Term
two types of extracellular fluid |
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Definition
intravascular, interstitial |
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Term
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Definition
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Term
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Definition
urine, lungs, skin, GI tract |
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Term
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Definition
hypothalamus and pituitary |
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Term
what controls the renin/angiotensin |
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Definition
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Term
talk about the hypothalamus |
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Definition
it uses osmoreceptor cells to sense concentration of sodium in blood, stimulates thirst mechanism, and stimulates release of pituitary hormone ADH |
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Term
what stimulates thirst: 3 |
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Definition
increase in plasma osmolality, reduction in blood volume, reduction in blood pressure |
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Term
what is the renin-angiotensin system triggered by? |
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Definition
a decrease in blood pressure |
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Term
what is the immediate effect of the renin-angiotensin system? |
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Definition
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Term
what is the delayed effect of renin-angiotensin system? |
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Definition
aldosterone release which stimulates sodium retention |
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Term
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Definition
low blood sodium caused by water intoxication |
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Term
What is the most abundant mineral in the body? |
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Definition
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Term
TF minerals are more likely to be toxic |
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Definition
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Term
What are the 4 general functions of minerals? |
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Definition
water and acid/base balance, nervous system function, muscle contraction, metabolic processes |
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Term
exracellular electrolytes |
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Definition
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Term
Intracellular electrolytes |
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Definition
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Term
Sodium and Potassium Functions |
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Definition
fluid balance, muscle contraction, conduction/transmission of nerve impulses |
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Term
What is used to form HCl in the stomach? |
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Definition
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Term
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Definition
fluid balance, nerve impulse conduction, HCl acid production, immune response |
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Term
where does potassium come from in our food sources? |
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Definition
unprocessed foods processing tends to take out K and adds Na |
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Term
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Definition
AI: 1,500 mg/day UL: 2,300 DV: 3,400 |
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Term
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Definition
AI: 4,700 mg/day DV: 3,500 mg/day |
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Term
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Definition
AI: 2,300 mg/day UL: 3,500 |
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Term
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Definition
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Term
What are the functions of calcium? |
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Definition
bone/tooth structure, blood clotting, nerve impulse transmission, muscle contraction, metabolic reactions |
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Term
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Definition
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Term
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Definition
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Term
What happens when you have low blood calcium? |
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Definition
parathyroid hormone is triggered: it will cause kidney to retain Ca, vitamin D activation, and increase osteoclast activity |
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Term
How does calcitrol help with low blood calcium? |
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Definition
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Term
what happens when blood calcium is high |
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Definition
Calcitonin is triggered in thyroid and it inhibits osteoclasts, as well as the release of PTH and calcitriol decreases |
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Term
What factors increase absorption of Calcium? |
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Definition
growth hormones, meal, stomach acid, vitamin D, lactose |
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Term
Factors that decrease absorption |
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Definition
aging, low stomach acid, vitamin D deficiency, high P intake, fiber/phytate/oxalate intake, high protein/low Ca. |
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Term
Which vitamin Converts light impulses to nerve impulses |
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Definition
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Term
what vitamin activates receptors in stem cells? |
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Definition
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Term
what vitamin maintains health of epithelial tissues? |
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Definition
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Term
What type of vitamin A acts as an antioxidant? |
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Definition
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Term
Why do we use retinol activity equivalents? |
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Definition
b-carotene isn't completely absorbed |
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Term
How does keratinization occur in skin cells? |
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Definition
in vitamin A deficiency, the epithelial cells secrete keratin |
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Term
what regulates blood calcium levels and phosphorus? |
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Definition
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Term
what vitamin affects insulin secretion? |
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Definition
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Term
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Definition
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Term
which vitamin is vulnerable to heat and oxidation? |
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Definition
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Term
deficiency of what can lead to ineffective blood clotting? |
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Definition
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Term
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Definition
increased risk of oxalate-type kidney stones, interference with absorption of other minerals |
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Term
What does phosphorus make up? 3 things |
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Definition
ATP, phospholipids (plasma membrane) DNA/RNA |
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Term
What are the other 2 functions of P |
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Definition
pH control (carbonic acid) and bone structure (hydroxyapatite) |
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Term
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Definition
dairy, grains, meat, processed foods |
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Term
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Definition
enzyme cofactor, activates ATP, nerve/lung/cardiac function, K/Ca metabolism -> bone health |
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Term
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Definition
irregular heartbeat, weakness/muscle pain, hypertension/heart attack, develops slowly, alcoholics at risk |
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Term
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Definition
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Term
blood pressure ranges: normal, prehypertension, hypertension |
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Definition
normal: < 120/80 prehypertension 120-139/80-89 hypertension at or above 140/90 |
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Term
when can calcium citrate be taken? |
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Definition
any time of day ca carbonate can only be taken with meal |
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Term
USP or CL on Ca supplement label |
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Definition
United States Pharmacopeia (USP) or Consumer Lab (CL) abbreviations |
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