HESI Mental Health Practice Exam Related

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A client with schizophrenia is being treated with clozapine (Clozaril). What laboratory test is most important for the nurse to monitor?

  • A. Liver function tests
  • B. Kidney function tests
  • C. White blood cell count
  • D. Blood glucose levels
Correct Answer: C

Rationale: The correct answer is C: White blood cell count. Clozapine can lead to agranulocytosis, a severe drop in white blood cells, which can be life-threatening. Monitoring the white blood cell count is crucial to detect this condition early. Choices A, B, and D are incorrect because while liver and kidney function tests are important in monitoring other aspects of health, the most critical concern with clozapine therapy is the risk of agranulocytosis, making monitoring white blood cell count the priority.