Before Discharge,a Client Begins Oral Anticoagulant Therapy with Sodium Warfarin

Before discharge,a client begins oral anticoagulant therapy with sodium warfarin (Coumadin) while he is still taking heparin.He questions the nurse about being on both of the medications.The nurse's best response would be

A) "Before you go home,let me check with the doctor about this."
B) "It takes a few days for the warfarin to work,so we need to keep you on the heparin."
C) "Because of your valve replacement,you need to take additional medication."
D) "You have increased your activity and mobility,so you should be on both of these medications."