NCLEX PN Exam Practice Test Related

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The nurse is reviewing laboratory data for a client admitted to the emergency department with chest pain. Which serum value requires immediate action by the nurse?

  • A. glucose 200 mg/dL (11.1 mmol/L)
  • B. hematocrit 38% (0.38)
  • C. potassium 3.4 mEq/L (3.4 mmol/L)
  • D. troponin T 0.7 ng/mL (0.7 mcg/L)
Correct Answer: D

Rationale: Elevated troponin T (0.7 ng/mL) indicates myocardial injury, requiring immediate action for possible myocardial infarction. Other values are less critical.