1. Which of the following structures in RA has a chronic inflammatory reaction?
A) Articular cartilage B) synovial tissues C) capsule D)subchondral
Ans: B) Synovial tissues
2. Osteoarthritis is a degeneration of what type of cartilage?
Ans: Articular cartilage
3. After the articular cartilage has degenerated is osteoarthritis, what type of bone is thickened?
Ans: Subchondral bone
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4. Osteoarthritis is diagnosed at what age in what population
Ans: After age 40, men more than women
5. Osteoarthritis primary affects weight-bearing joints and the most commonly affected sites include?
Ans: Cervical spine (C5-C6), lumbar spine, hips, knees
6. What is the step by step pathogenesis of osteoarthritis?
Ans:1)Cartilage becomes soft and damaged 2)Osteophytes form 3)Subchondral bone thickens 4) Synovitis is mild to moderate
7. What type of onset is found in osteoarthritis?
Ans: Gradual onset
8. How long would joint stiffness last in osteoarthritis?
Ans: Less than 15 minutes
9. What would clinical findings with the joints you find with osteoarthritis?
Ans: Pain present at the affected joint, localized to a few joints, joints enlarged, joint motion limited, joint crepitus, joint stiffness < 15 minutes, Bouchard’s nodes, Heberden’s nodes
10. What types of things would increase the pain in osteoarthritis?
Ans: Increased pain after exercise, increased pain with weather changes
11. What are the risk factors for osteoarthritis?
Ans: Trauma, repetitive microtrauma, obesity