A patient with benign prostatic enlargement has a distended bladder, hydronephrosis, and a rising serum creatinine level. Which type of acute kidney injury is most likely?
Correct answer: C. Postrenal kidney injury from urinary obstruction
- A. Prerenal kidney injury from reduced renal perfusion
- B. Intrinsic kidney injury from tubular damage
- C. Postrenal kidney injury from urinary obstruction
- D. Chronic kidney disease from gradual nephron loss
Explanation
The enlarged prostate obstructs urine flow, causing pressure to build above the obstruction and impairing kidney function. This is postrenal injury. Prerenal injury results from poor blood flow, while intrinsic injury involves damage within the kidney tissue.
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About Renal and Urological Nursing
Covers assessment and care for urinary tract infection, glomerulonephritis, nephrotic syndrome, acute kidney injury, chronic kidney disease, renal stones and urinary obstruction. The subject includes intake and output, urinalysis, fluid restriction, dialysis care and the difference between prerenal, intrinsic and postrenal kidney injury.
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