The nurse teaches a patient who is being stabilized on a therapeutic dose of warfarin (Coumadin) not to alter the normal dietary intake of green, leafy vegetables, dairy products, or meats, primarily because these foods

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Because warfarin activity is affected by the level of vitamin K, the patient's intake of vitamin K-rich foods should be consistent. The absorption of warfarin is not affected by these foods. The foods do not have an anticoagulant effect or impact on the bowel bacteria activity.

The Nurse Teaches a Patient Who Is Being Stabilized on a Therapeutic