A patient with a history of atrial fibrillation is prescribed warfarin therapy. Which laboratory test should the nurse monitor to assess the patient's response to warfarin? a) Prothrombin time (PT) b) Activated partial thromboplastin time (aPTT) c) Platelet count d) D-dimer.

although there are other ways to prevent DVT, do you think it's vital to advocate and require the usage of sequential compression devices to maintain blood flow and prevent blood clots? pls include references.

2. An otherwise healthy 82-year-old man has swelling of the left ankle after sitting and playing cards for 2 hours. He underwent coronary bypass surgery 10 years ago. Veins for the bypass grafts were taken from his left leg. Which of the following is most likely responsible for the swelling in his left ankle? A) Decreased capillary filtration B) Decreased interstitial colloid osmotic pressure C) Decreased plasma colloid osmotic pressure D) Increased capillary pressure E) Increased lymph flow F) Increased plasma colloid osmotic pressure

Discuss the role of anticoagulant therapy in preventing thromboembolic events.