A 42-year-old male is involved in a motor vehicle accident that has resulted in prerenal failure. What is the most likely cause of this patient's condition?
a. Kidney stones
b. Immune complex deposition in the glomerulus
c. Inadequate renal blood flow
d. Obstruction of the proximal tubule
ANS: C
With blood loss, renal failure is due to inadequate blood flow since the trigger occurs outside of the kidney (prerenal). Kidney stones will lead to postrenal renal failure. Intrarenal renal failure is due to glomerular nephritis or obstruction of the proximal tubule.
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