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28 Cards in this Set
- Front
- Back
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electrolytes are tested separately from__
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CMP
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Ca2+ is used to__
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evaluate bone metastesis, hyperparathyroidism, renal failure, renal transplantation
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which hormone increases bone destruction, renal and GI absorption, decrease renal absorption of PO4?
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PTH
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which substance increases bone formation, renal and GI absorption, increases renal absorption of PO3?
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vitamin D
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which substance increases bone formation and decreases plasma ca2+?
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calcitonin
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Ca2+ increased in__
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primary hyperparathyroidism, excess vit D, multiple myeloma, metastasis, hyperthyroidism
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Ca2+ decreased in ___
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hypoparathyroidism, renal failure
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PO3, PO4 levels are evaluate for ___
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parathyroid function, renal failure, and calcium metabolism; inorganic PO4 is measured
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which organ absorbs the PO4?
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small intestine
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which organn elimnates PO4
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kidney
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phosphorous is falsely elevated__
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by hemolysis
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symptoms of hypoPO4
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confusion, delirium, seizures
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symptoms of hyperPO4
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renal insufficiency, hypoparathyroidism
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50% of Mg2+ is found__
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in the bone; the other part is intracellular
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hyperMg+ causes
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cardiac arrhythmias
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which substance eliminates Mg2+
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aldosterone
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Mg2+ decrease is caused by___
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diuretics, digitalis; chronic GI disease
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hyperMg2+ is caused by__
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Mg2+ laxatives, renal failure
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K+ is used to evaluate__
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serious illness, cardiac fxn, and tx with diuretics
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hyperK+ caused by__ and is associated with___
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renal failure; ECG changes (peak T, wide QRS, decreased ST; bradycardia, heart block)
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hypoK+ caused by ___ and is associated with__
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K+ losing diuretics; ECG changes (flat T; tachycardia, ventricular fib)
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Na+ values are used to__
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evaluate fluid and electrolyte balance and therapy
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hypoNa+ may be indicative of___
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excessive fluid loss (vomiting, diarrhea, sweating, burns, diuretics)
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hyperNa2a+ may be indicative of __
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dehydration (sweating, diabetes insipitus)
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Cl- is used to evaluate__
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acid-base balance, hydration status
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decrease in Cl- will cause__
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increase excitability of CNS, tetany, shallow breathing
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Cl- is increased in __
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dehydration, hyperventilation, Cushing's, hyperparathyroidism; can cause lethargy, weakness, deep breathing
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CO2 levels are used to monitor
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ph status :)
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