A 78-year-old female client has a total hip arthroplasty.

(A) Exercising the unaffected extremities will prevent contractures and emboli. (B) Crossing and uncrossing the affected leg after surgery can dislocate the joint. (C) Neurological and circulatory status of the affected leg has been compromised by surgery. Hourly checks are needed to monitor the status of the leg. (D) A trochanter roll will prevent the upper thigh from rolling outward, increasing the chances of dislocation.