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Author Question: What is the creatinine clearance test? How can it be used to estimate GFR? How accurate is ... (Read 75 times)

colton

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on: Feb 27, 2019
What is the creatinine clearance test? How can it be used to estimate GFR? How accurate is it?

Question 2

The ________ is shared by the two ventricles.
 A) vena cava
  B) bicuspid valve
  C) chordae tendineae
  D) interventricular septum
  E) trabeculae carneae


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IRincones

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Reply #1 on: Feb 27, 2019
Answer to Question 1

This test relies on measuring total creatinine excreted in the urine in 24 hours and measuring the plasma concentration of creatinine. Since essentially none of the filtered load is returned to bloodstream, the amount in the urine relates directly to the volume of blood that filtered in the glomeruli. GFR can be calculated by dividing creatinine excretion rate (mg/hr) by plasma concentration of creatinine (g/dL) to get the GFR in dL/hour, from which the per-minute rate is calculated by dividing by 60. The test is not entirely accurate because up to 15 percent of the excreted creatinine enters the urine by tubular secretion.

Answer to Question 2

D


colton

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Reply 2 on: Feb 27, 2019
YES! Correct, THANKS for helping me on my review

scikid

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Reply 3 on: Yesterday
Great answer, keep it coming :)

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