Question 10 is based on the following data collected from a resting individual w

Question

Question 10 is based on the following data collected from a resting individual with untreated diabetes.

10. If the transport maximum of the kidney nephrons to reabsorb glucose is 2.03 mmol/min (365 mg/min), what will the concentration of glucose in the urine be under the following conditions?

Urine flow rate = 4.50 ml/min

[Glucose]plasma = 17.0 mmol/L (or 3060 mg/L)

[Inulin]plasma = 0.080 mg/ml

[Inulin]urine = 2.31 mg/ml

TmGlucose = 2.03 mmol/min (or 365 mg/min)

A. 2.21 mg/min

B. 40.3 mM

C. 398 mM

D. 4.50 mg/ml

E. 17.0 mg% (17.0 mg glucose per 100 ml urine)

Explanation / Answer

molar concentration= no. of moles/volume of solution in litres

                                  no. of moles= mass of substance / molar mass or gram molecular mass

                                                        =17.0/2.31

                                                       = 7.3 mg/mMol

Concentration of glucose is 7.3 /4.5= 1.63

                       1.63X 100ml= 163

concentartion is 4.50mg/ml

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