Which Urine Characteristics Below Are Indicative of Acute Tubular Necrosis

question 10

Multiple Choice

Which urine characteristics below are indicative of acute tubular necrosis (ATN) caused by intrinsic (intrarenal) failure?

• A) Urine sodium >30 mEq/L
• B) Urine osmolality >500 mOsm
• C) Fraction excretion of sodium (FE_Na)<1%
• D) Urine sediment has no cells,some hyaline casts

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