A Nursing Student Who Is Preparing to Care for a Postoperative

A nursing student who is preparing to care for a postoperative patient with deep vein thrombosis asks the nurse why the patient must take heparin rather than warfarin. Which response by the nurse is correct?

A) "Heparin has a longer half-life."
B) "Heparin has fewer adverse effects."
C) "The onset of warfarin is delayed."
D) "Warfarin prevents platelet aggregation."