A nurse is caring for a client who is 3 hr postoperative following a total knee arthroplasty. Which of the following actions should the nurse take to prevent venous thromboembolism?

D Limit the client's fluid intake to 2,000 mL daily. A Keep the client's knees in a flexed position while they are in bed. C Encourage the client to perform circumduction of the feet. B Massage the client's legs every 4 hr while they are awake.