The nurse is teaching a patient who will begin taking warfarin (Coumadin) for atrial fibrillation. Which statement by the patient indicates understanding of the teaching?
a. "I should eat plenty of green, leafy vegetables while taking this drug."
b. "I should take a nonsteroidal anti-inflammatory drug (NSAID) instead of acetaminophen for pain or fever."
c. "I will take cimetidine (Tagamet) to prevent gastric irritation and bleeding."
d. "I will tell my dentist that I am taking this medication."
ANS: D
Patients taking warfarin should tell their dentists that they are taking the medication because of the increased risk for bleeding. Patients should avoid foods high in vitamin K, which can decrease the effects of warfarin. Patients should not take NSAIDs or cimetidine (Tagamet) because they can displace warfarin from protein-binding sites.
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