Practice Quiz

CCNS Certified Clinical Nurse Specialist

Category - Adult

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A 50-year-old deteriorating patient who suffered from third degree burns has a laboratory values of BUN 37 mg/dL; serum potassium of 6.3 mEq/L; pH of 7.1; PO2 of 90 mmHg; and hemoglobin of 7.4g/dL. This finding is indicative of:
  1. Hypokalemia
  2. Azotemia
  3. Metabolic alkalosis
  4. Respiratory alkalosis
Explanation
Answer - B - The finding is indicative of azotemia. The BUN level is way above the normal or expected level. Urea nitrogen is the major nitrogenous end product of protein and amino acid catabolism; azotemia is the accumulation of excessive nitrogenous compounds in the blood.
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