Respiratory Drugs and Medications Q 26

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A 25 year old man with chronic bronchitis is receiving theophylline intravenously. After several dosages, the client started to become restless and complains of palpitations. The nurse determines that the client is experiencing theophylline toxicity in which of the following?

  

     A. Theophylline level of 8 mcg/ml

     B. Theophylline level of 10 mcg/ml

     C. Theophylline level of 15 mcg/ml

     D. Theophylline level of 25 mcg/ml

    

    

Correct Answer: D. Theophylline level of 25 mcg/ml

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Theophylline toxicity is most likely to occur when the serum level is higher than 20 mcg/ml. Early signs of toxicity include restlessness, nervousness, tachycardia, tremors, and palpitations.

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Options A, B, and C: These theophylline values are within the safe range.

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