The nurse is caring for a patient who will begin taking theophylline at home. During the assessment, the nurse learns that the patient smokes. The nurse reports this to the provider and will expect the provider to
a. decrease the dose of theophylline.
b. increase the dose of theophylline.
c. keep the theophylline dose as ordered.
d. discontinue the theophylline.
ANS: B
Tobacco smoking increases the metabolism of theophylline, so the dose should be increased. Decreasing the dose will lead to subtherapeutic effects.
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