When caring for a patient who has started anticoagulant therapy with Coumadin,

When caring for a patient who has started anticoagulant therapy with Coumadin, the nurse explains to the patient not to expect therapeutic benefits for

a) 2 to 3 days

b) 1 week

c) at least 2 hours

d) the first 24 hours

2)A client is on anticoagulant therapy. The blood test results indicate a prothrombin time (PT) of 25 seconds (3 times the control) and an INR of 4.5. The nurse would expect the physician to order which medication

a) protamine sulfate

b) coumadin

c) vitamin K

d) no medication since the blood tests are WNL