Which statement by a patient indicates additional teaching is required about the medication warfarin?
a. "I will continue my diabetic diet and restrict sugar."
b. "I will increase the intake of green, leafy vegetables for a more healthful diet."
c. "I will restrict the intake of foods high in vitamin C."
d. "I will increase the amount of protein in my diet to protect my kidneys."
ANS: B
Foods such as green, leafy vegetables have high levels of vitamin K. Warfarin is an anticoagulant that acts by interfering with vitamin K-dependent clotting factors. If the amount of vitamin K is increased in the diet, the medication dose may need to be adjusted. A diabetic diet would be continued as indicated for a patient receiving warfarin. Vitamin C is not related to warfarin.
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