Measurement of Urine Osmolality Is a More Accurate Measure of Renal

question 4

Multiple Choice

Measurement of urine osmolality is a more accurate measure of renal concentrating ability than specific gravity because:

• A) Osmolality is measured by instrumentation
• B) Specific gravity is not influenced by urea and glucose molecules
• C) Osmolality is influenced equally by small and large molecules
• D) Specific gravity measures only urea and glucose molecules

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