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Course Objectives: The purpose of this module is to provide nurses information about total hip and knee replacements, including the effects of arthritis on joints, indications for surgery, and surgical management. After studying the information presented here, you will be able to: Describe the effects of arthritis on the hip and knee joints. State indications for total hip arthroplasty (THA) and total knee arthroplasty (TKA). Discuss the surgical procedures used in THA and TKA.