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14 Cards in this Set
- Front
- Back
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Clearance=
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C=(U x V)/P, urince concetration times urine flow rate divided by blood concentration
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The clearance of a substance that is freely filtered but not reasborbed or secreted is equal to ____.
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GFR
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____ and ___ are substances whose clearance is equal to their GFR.
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creatine, inulin
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There is a ____ relationship btwn GFR and plasma creatine concentration.
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inverse
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BUN is used clinically to gain a rough estimate of ___.
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GFR
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PAH is used to calculate ____.
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effective renal clearance
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RPF=
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(1-HCT) x RBF
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Urine ouput= ___ +____
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osmolar clearance, free water clearance
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Free water clearance is a ____ number when urine is more dilute than plasma, and a ____ number whene urine is more concentrated.
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positive, negative
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Filtered load= ___ x ____
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GFR x Px
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Fractional excretion rate= ____/____
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amount excreted/ amt filtered or Cx/GFR
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amount excreted= ____ x ____
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[U] x urine flow rate (v)
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_____ is the proprtion of renal plasma flow that is filtered, ____/_____.
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Filtration fraction, GFR/RPF
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Normal GFR is ____, RPF is ___, and filtration fraction is ___.
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125ml/min, 600ml/min, 20%
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