KROK 1 Stomatology 2013 – Question 95 · KROK (Dentistry)
Examination of a patient revealed glycosuria and hyperglycemia. He complains of dry mouth, itchy skin, frequent urination, thirst. He has been diagnosed with diabetes mellitus. What is the cause of polyuria in this patient?
- A. Increased plasma oncotic pressure
- B. Increased filtration pressure
- C. Decreased plasma oncotic pressure
- D. Decreased cardiac output
- E. Increased urine osmotic pressure
Hint
Consider what happens in the renal tubules when filtered glucose exceeds the reabsorption capacity and remains in the tubular fluid.
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