01-04-2006, 03:18 PM
35>A 40-year-old woman presents to the emergency department because of
hematuria. Laboratory analyses show significant proteinuria, bacteria
and white cells in the urine, and a blood urea nitrogen (BUN) of
40 mg/dL with a creatinine of 4.0 mg/dL. Ultrasonography reveals
enlarged kidneys, and she is given a provisional diagnosis of
polycystic renal disease. Which of the following is likely to
be decreased in this patient?
A. Creatinine clearance
B. Extracellular sodium concentration
C. Glucose clearance
D. Plasma creatinine levels
E. Plasma inulin levels
hematuria. Laboratory analyses show significant proteinuria, bacteria
and white cells in the urine, and a blood urea nitrogen (BUN) of
40 mg/dL with a creatinine of 4.0 mg/dL. Ultrasonography reveals
enlarged kidneys, and she is given a provisional diagnosis of
polycystic renal disease. Which of the following is likely to
be decreased in this patient?
A. Creatinine clearance
B. Extracellular sodium concentration
C. Glucose clearance
D. Plasma creatinine levels
E. Plasma inulin levels