RN HESI Exit Exam Related

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A client with a history of myocardial infarction is admitted with chest pain. Which laboratory value should the nurse monitor closely?

  • A. White blood cell count
  • B. Serum creatinine
  • C. Troponin level
  • D. Hemoglobin level
Correct Answer: C

Rationale: The correct answer is C: Troponin level. Troponin levels should be closely monitored in a client with chest pain and a history of myocardial infarction to assess for ongoing myocardial injury. Troponin is a specific marker for myocardial damage. Monitoring white blood cell count (choice A) is not directly related to myocardial infarction. Serum creatinine (choice B) is more indicative of renal function rather than cardiac status. Hemoglobin level (choice D) is important but does not directly reflect ongoing myocardial injury.