Leadership and Management NCLEX Questions Related

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The nurse is caring for a client taking prescribed captopril. Which abnormal laboratory value should the nurse prioritize when notifying the healthcare provider?

  • A. Serum creatinine 1.3 mg/dL (114.92 μmol/L) [Male: 0.6-1.2 mg/dL, Female: 0.5-1.1 mg/dL, Male 49-93 μmol/L, Female 22-75 μmol/L]
  • B. Serum potassium 5.2 mEq/L (mmol/L) [3.5-5 mEq/L (mmol/L)]
  • C. Serum phosphorus 4.6 (1.48 mmol/L) [2.5-4.5 mg/dL, 0.81-1.58 mmol/L]
  • D. Blood glucose 135 mg/dL (7.5 mmol/L) [70-110 mg/dL, 4-6 mmol/L]
Correct Answer: B

Rationale: Hyperkalemia (potassium 5.2 mEq/L, B) is a priority with captopril, an ACE inhibitor, as it can cause life-threatening arrhythmias. Creatinine (A) and phosphorus (C) are slightly elevated but less urgent. Glucose (D) is elevated but not critical in this context.