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Which Urine Characteristics Below Are Indicative of Acute Tubular Necrosis

Question 30

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 (FENa) <1%
D) Urine sediment has no cells, some hyaline casts

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