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22 Cards in this Set
- Front
- Back
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intracellular fluid
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inside, K+PO4-- / Mg++
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extracellular fluid
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outside, NA+/ Cl-/ HCO3
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how does the body take in water
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drinking, food, metabolism
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how does the body lose water
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sweat, urine, feces, lungs during breathing
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what regulates the intake of water
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thirst
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what regulates the output of water
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Nephron DCT
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how does the body obtain electrolytes
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food, drink, metabolism by product
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how does the body lose electrolytes
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sweat, urine, feces
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how does the body regulate electrolyte output
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aldosterone regulates Na+ reasorption and regulates K+ reabsorption/ parathyroid regulates Ca++
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pH of blood
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7.35-7.45
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acid
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1-6
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base
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8-14
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protein buffers
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NH2 group removes H+ & COOH group release H+
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phosphate buffers
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H2PO4=H+ plus HPO4-- or H+ plus HPO4=H2PO4
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carbonic acid-bicarbonate buffering
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H2CO3= H+ plus HCO3- or H+ plus HCO3-=H@CO3
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what causes respiratory acidosis
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CO2 not exhaled/kidney reasorb HCO3-
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what causes metabolic acidosis
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kidney not excrete lactic acid & ketones/ resp exhale more CO2
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what causes respiratory alkalosis
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pCO2 too low (hyperventilation)
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what causes metabolic alkalosis
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vomiting or too many antacids
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pH
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decrease/acidosis
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CO2
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decrease/alkalosis
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HCO3-
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decrease/acidosis
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