1. Prerenal failure results from:

A. bilateral obstruction of urine outflow.

B. conditions that diminish blood flow to the kidneys.

C. damage to the kidneys.

D. ischemic damage to renal parenchyma

2. Acute tubular necrosis following ischemic renal injury may be due to:

A. fluid-volume overload.

B. inhaling toxic chemicals.

C. a hypersensitivity reaction to radiographic contrast agents.

D. severe hypotension.