A nurse is reviewing the medical record of a male client who has schizophrenia and is taking clozapine. Which of the following findings should the nurse identify as a contraindication to the administration of clozapine?
Fasting blood glucose 124 mg/dL (70 to 110 mg/dL)
Absolute neutrophil count 1,300/mm3 (2,500 to 8,000/mm3)
Heart rate 58/min
Hgb 12.5 g/dL (14 to 18 g/dL)
The Correct Answer is B
A. Elevated fasting blood glucose is a concern but does not immediately contraindicate clozapine administration. It can be monitored and managed.
B. Clozapine can cause agranulocytosis, and a low absolute neutrophil count (ANC) is a contraindication for the medication. The threshold for stopping clozapine is typically an ANC of less than 1,500/mm3.
C. A heart rate of 58/min is not a contraindication for clozapine. It may require monitoring but is not necessarily concerning.
D. An Hgb level of 12.5 g/dL is within the normal range and does not contraindicate the use of clozapine.
Nursing Test Bank
Naxlex Comprehensive Predictor Exams
Related Questions
Correct Answer is B
Explanation
Correct choice is B
A. This area corresponds to the trachea which produces bronchial breath sounds which are inconsistent with lower airway disease as expected in pneumonia.
B. This area corresponds to the right upper lung lobe which is accurate for auscultation for abnormal breath sounds such as crackles.
C. This area corresponds to the right upper quadrant for auscultation for bowel sounds.
D. This area corresponds to the cardiac region which is more accurate for auscultation of heart sounds.
Correct Answer is C
Explanation
A. Creatinine clearance is used to assess kidney function, not related to petechiae or ecchymoses.
B. Potassium levels are important for assessing electrolyte balance but are not directly related to petechiae or ecchymoses.
C. Petechiae and ecchymoses are signs of bleeding, often due to a low platelet count, so this test is appropriate.
D. Prealbumin is a protein marker for nutrition, not directly related to bleeding or clotting issues.
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