A patient with osteoarthritis who had a right total knee replacement tells the nurse that her other knee is becoming painful. Which of these is the most appropriate instruction to help the patient...

A patient with osteoarthritis who had a right total knee replacement tells the nurse that her other knee is becoming painful. Which of these is the most appropriate instruction to help the patient preserve function of her left knee?

a. Reduce dietary purines.

b. Maintain ideal body weight.

c. Maintain normal uric acid levels.

d. Begin a jogging program.