Practice Quiz

CMSRN Medical-Surgical Nursing

Category - Pulmonary

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The nurse receives a lab value indicating a theophylline level of 23 ug/ml for a client. What is the nurse’s expected action?
  1. Hold the client’s morning dose of theophylline.
  2. Inform the physician that the blood level is below the desired therapeutic range.
  3. Have the lab redraw the blood level for verification.
  4. Increase the dose of theophylline for effectiveness.
Explanation
Answer - A - Hold the client’s morning dose of theophylline. Theophylline toxicity can occur with a serum level of 20 ug/ml or greater. Side effects from theophylline include nausea, vomiting, headache, irritability, and insomnia. Early signs of toxicity are nausea, tachycardia, and irritability; seizures and dysrhythmias occur at blood theophylline levels greater than 30 ug/ml.
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