In severe arthritis a badly damaged joint can be surgically replaced with
- A. a graft of tendon
- B. a long course of antibiotics
- C. physiotherapy alone
- D. an artificial prosthesis of metal and plastic
Explanation
Joint replacement, most often of the hip or knee, fits metal and plastic surfaces where cartilage has vanished, relieving pain and restoring movement. Antibiotics treat infection, not mechanical wear.
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