In Determining the Glomerular Filtration Rate (GFR)or Creatinine Clearance,a 24-Hour

question 8

Multiple Choice

In determining the glomerular filtration rate (GFR) or creatinine clearance,a 24-hour urine is obtained.If a reliable 24-hour urine collection is not possible,

• A) it is not possible to determine the GFR.
• B) the BUN may be used to determine renal function.
• C) an elevated BUN/creatinine ratio can be used.
• D) a standardized formula may be used to calculate GFR.

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