KROK 1 2014 – Question 83 · KROK (Medicine) · Physiology
According to the results of glucose tolerance test, the patient has no disorder of carbohydrate tolerance. Despite that, glucose is detected in the patients’s urine (5 mmol/l). The patient has been diagnosed with renal diabetes. What renal changes cause glucosuria in this case?
- A. Exceeded glucose reabsorption threshold
- B. Increased glucose filtration
- C. Increased activity of glucose reabsorption enzymes
- D. Decreased activity of glucose reabsorption enzymes
- E. Increased glucose secretion
Hint
A normal tolerance test means blood glucose is not the problem, so ask how the nephron's handling of filtered glucose must differ from normal.
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