A Client Who Has Had a Prosthetic Valve Replacement Asks

A client who has had a prosthetic valve replacement asks the nurse why he must take anticoagulants for the rest of his life.What is the nurse's best response?

A) "The prosthetic valve places you at greater risk for a heart attack."
B) "Blood clots form more easily in artificial replacement valves."
C) "The vein taken from your leg reduces circulation in the leg."
D) "The surgery left a lot of small clots in your heart and lungs."