A substance that is filtered, but not secreted or reabsorbed (substance X), is infused into a volunteer until steady state plasma level of 0.1 mg/mL is achieved. The subject then empties his bladder and waits 1 hour, at which time he urinates again. The volume of urine in the second specimen is 60mL, and the concentration of substance X is 10mg/mL. What is the glomerular filtration rate (GFR) in this individual?
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- Explaining how to arrive at the answer was very helpful. Thank you.
- May 08, 2018 at 9:12am
- you are welcomed
- May 08, 2018 at 9:14am