A. Foley lodged in the urethra causing post-renal failure B. Decreased renal perfusion causing prerenal failure C. Age-related decreased eGFR causing prerenal failure D. Post-surgical rhabdomyolysis causing intrarenal failure

Nurs 6550 final exam (3 versions) & nurs 6550 midterm exam (100

B. Decreased renal perfusion causing prerenal failure

Explanation:

Mr. Jeffers is exhibiting signs of acute kidney injury (AKI) with decreased urine output and an increase in BUN and creatinine levels. The most likely cause of his AKI is prerenal failure, which is caused by decreased blood flow to the kidneys. This can be caused by decreased renal perfusion due to decreased blood volume or cardiac output, such as in the case of hypovolemia, heart failure, or hypotension.

Option A (Foley lodged in the urethra causing post-renal failure) is less likely, as the Foley catheter has been in place for two days without any reported issues. However, this possibility should still be assessed by performing a bladder scan or checking for any obstruction in the catheter.

Option C (Age-related decreased eGFR causing prerenal failure) is incorrect, as Mr. Jeffers’ AKI is likely due to an acute cause rather than a chronic one.

Option D (Post-surgical rhabdomyolysis causing intrarenal failure) is less likely, as there is no indication of muscle injury or breakdown. However, this possibility should still be ruled out by checking for any muscle pain or elevated levels of creatine kinase in the blood.