LPN Fundamentals Practice Questions Related

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A healthcare provider is caring for a client who has acute renal failure. Which of the following laboratory results should the healthcare provider expect?

  • A. Decreased blood urea nitrogen (BUN)
  • B. Decreased creatinine
  • C. Increased potassium
  • D. Increased calcium
Correct Answer: C

Rationale: In acute renal failure, the kidneys are unable to excrete potassium efficiently, which can lead to hyperkalemia. As a result, an increased potassium level is a common finding in clients with acute renal failure. Hyperkalemia can have serious cardiac effects, making it essential for healthcare providers to monitor and manage potassium levels closely in clients with renal impairment. Choices A, B, and D are incorrect because in acute renal failure, blood urea nitrogen (BUN) and creatinine levels typically rise due to decreased renal function. Calcium levels are more likely to be decreased in acute renal failure due to impaired activation of vitamin D and subsequent decreased calcium absorption.