Evaluation of Kidney Function in a 46-Year-Old Obese Man with Type

question 16

Multiple Choice

Evaluation of kidney function in a 46-year-old obese man with type 2 diabetes reveals the following: · Urine volume = 5760 mL of urine, collected over the preceding 24 hours
· Plasma creatinine = 3 mg/100 mL
· Urine creatinine = 30 mg/100 mL
· Plasma potassium = 4.0 mmol/L
· Urine potassium = 20 mmol/L

What is his approximate glomerular filtration rate, assuming that he collected all of his urine in the 24-hour period?

• A)10 mL/min
• B)20 mL/min
• C)30 mL/min
• D)40 mL/min
• E)80 mL/min

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