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A Patient Has Polyuria and Polydipsia,and the Urine Osmolality Is

Question 3

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A patient has polyuria and polydipsia,and the urine osmolality is 100 mOsm/kg H2O.After an intravenous injection of ADH,urine volume decreases and urine osmolality increases.What is the probable disorder in this patient?


A) Syndrome of inappropriate ADH secretion (SIADH)
B) Osmotic diuresis
C) Central diabetes insipidus
D) Nephrogenic diabetes insipidus
E) Nephrolithiasis (renal stone)

Correct Answer:

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