A 35-year-old who was severely burned is now demonstrating symptomology associated with acute tubular necrosis (ATN). Which form of renal failure is this patient experiencing?
a. Prerenal
b. Intrarenal
c. Extrarenal
d. Postrenal
ANS: B
Intrarenal acute kidney failure is associated with several systemic diseases but is commonly re-lated to ATN. Prerenal renal failure occurs anterior to the kidney. Extrarenal renal failure occurs outside the kidney. Postrenal is due to diseases that obstruct the flow of urine from the kidneys.
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