What disease or condition may be indicated by muscle atrophy, periarticular nodules and joint ankylosis?
  1. Lupus
  2. Rheumatoid arthritis
  3. Osteoarthritis
  4. Myofibril degeneration
Explanation
Answer: B - Rheumatoid arthritis may be indicated by muscle atrophy, periarticular nodules and joint ankylosis. The pain is often described as morning stiffness in warm, swollen joints.
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