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Assessment of Kidney and Urinary Function Test Bank - Brunner & Suddarth's Medical-Surgical Nursing 14e

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The care team is considering the use of dialysis in a patient whose renal function is progressively declining. Renal replacement therapy is indicated in which of the following situations? A) When th... e patients creatinine level drops below 1.2 mg/dL (110 mmol/L) B) When the patients blood urea nitrogen (BUN) is above 15 mg/dL C) When approximately 40% of nephrons are not functioning D) When about 80% of the nephrons are no longer functioning Ans: D Feedback: When the total number of functioning nephrons is less than 20%, renal replacement therapy needs to be considered. Dialysis is an example of a renal replacement therapy. Prior to the loss of about 80% of the nephron functioning ability, the patient may have mild symptoms of compromised renal function, but symptom management is often obtained through dietary modifications and drug therapy. The listed creatinine and BUN levels are within reference range [Show More]

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