An older client with osteoarthritis reports increasing pain and stiffness in the right knee and asks how to reduce these symptoms. In responding to the client, the nurse recognizes which pathology as the cause of the symptoms?

Choice A reason: Systemic inflammatory response is more characteristic of rheumatoid arthritis rather than osteoarthritis.Choice B reason: Infectious process in the synovial fluid suggests septic arthritis, not osteoarthritis.Choice C reason: Loss of bone mineral density is related to osteoporosis, not specifically to osteoarthritis.Choice D reason: Osteoarthritis is characterized by the destruction of joint cartilage, leading to pain and stiffness in the affected joints.