The nurse is evaluating understanding after a teaching session for mechanical cardiac valve replacement surgery. Which statement by the patient indicates understanding of teaching? 1. “You will need...

The nurse is evaluating understanding after a teaching session for mechanical cardiac valve replacement surgery. Which statement by the patient indicates understanding of teaching? 1. “You will need anticoagulants for the first month after surgery.” 2. “You will not need to be on anticoagulant therapy.” 3. “You will need anticoagulant therapy for the first year after valve replacement.” 4. “You will need anticoagulant therapy for life.”