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NURS 100 REVISION STUDY EXAM QUESTIONS and ANSWERS Athabasca University
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NURS 100 REVISION STUDY EXAM QUESTIONS and ANSWERS Athabasca University
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NURS 100 REVISION STUDY EXAMQUESTIONS and ANSWERS Athabasca
University
What is the function of potassium
✔✔fluid balance
electrolyte balance **heartbeat
what is the result of a potassium deficiency?
✔✔heart failure
kwashiorkor
common in eating disorders
what is congenital hypothyroidism?
✔✔severe iodine deficiency during pregnancy (harmful to fetus)
what is goiter?
✔✔iodine deficiency causing enlarged thyroid
what are sources of iodine?
✔✔seafood
iodized salt
soil (plants)
,where is most of the iron in the body found?
✔✔hemoglobin an dmyoglobin
what is a stage 1 iron deficiency?
✔✔decreased iron stores
what is a stage 2 iron deficiency?
✔✔depleted iron stores
what is anemia?
✔✔stage 3 iron deficiency (hypochromic microcidic anemia)
what is Pica?
✔✔craving for non-food substances (clays/soil)
what is the most common nutrient deficiency?
✔✔iron
what is hemochromatosis?
✔✔iron overload
where is heme iron found?
✔✔meat fish poultry
where is nonheme iron found?
✔✔meat fish poultry and plants
,What is absorbed better: heme iron or non-heme iron?
✔✔
Where is the MFP factor found?
✔✔meats, fish, poultry
What vitamin can help iron absorption if consumed in the same meal?
✔✔vitamin C
What 4 compounds interfere with iron absorption?
✔✔-tannins (tea/coffee)
-calcium
-phosphorus
-phytates
What are good sources of iron?
✔✔-meats, eggs, fish
-legumes, green leafy vegetables
-cooking in iron pan
What are the roles of Zinc?
✔✔-assist the pancreas with digestive functions
-help metabolize carbohydrate, protein & fat
-release vitamin A
, What are zinc deficiency symptoms?
✔✔-adverse affects on growth
-poor digestive function (malnutrition)
-impairs immune response
-abnormal taste and vision in the dark
What are zinc toxicity symptoms?
✔✔-severe illness/death
-lower HDL's
-inhibit copper absorption (good for Wilson's)
-inhibit iron absorption
What are good sources of zinc?
✔✔-meats, shellfish, poultry, dairy
Not as good:
-legumes, whole grains
What are the roles of selenium?
✔✔-prevents formation of free radicals
-prevents oxidative harm to cells & tissues
-activates thyroid hormone
*similar to sulfur
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