Which statement made by a client receiving (warfarin) Coumadin therapy indicates a need for further teaching?
a. "I shouldn't take aspirin while I'm on Coumadin."
b. "I will use a toothbrush with soft bristles."
c. "I will eat large quantities of green leafy vegetables."
d. "I will use an electric razor to avoid shaving cuts."
ANS: C
Vitamin K is an antagonist against warfarin, and green leafy vegetables are known sources of vitamin K.
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