The diagnostic finding of 'Isosthenuria' refers to a Urine Specific Gravity in the range of _____.

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Multiple Choice

The diagnostic finding of 'Isosthenuria' refers to a Urine Specific Gravity in the range of _____.

Explanation:
Isosthenuria reflects the kidney’s inability to concentrate or dilute urine, so the urine’s specific gravity stays close to that of plasma. In this state, the SG is about 1.008–1.012, which mirrors plasma osmolality and indicates impaired concentrating ability. Normal, hydrated urine is higher (often around 1.018–1.045), and truly dilute urine from conditions like diabetes insipidus falls below this range. Therefore, the range 1.008–1.012 best fits isosthenuria.

Isosthenuria reflects the kidney’s inability to concentrate or dilute urine, so the urine’s specific gravity stays close to that of plasma. In this state, the SG is about 1.008–1.012, which mirrors plasma osmolality and indicates impaired concentrating ability. Normal, hydrated urine is higher (often around 1.018–1.045), and truly dilute urine from conditions like diabetes insipidus falls below this range. Therefore, the range 1.008–1.012 best fits isosthenuria.

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