Examine the following statements about musculoskeletal disorders:
- Osteoarthritis is a degenerative joint disease causing cartilage breakdown.
- Rheumatoid arthritis is an autoimmune disorder that attacks joint tissues.
- Osteoporosis is characterized by increased bone density and rigidity.
- Scoliosis refers to the abnormal lateral curvature of the spine.
Which of the following options correctly identifies the true statements?
1
Only 1, 2, and 3 are true
2
Only 2, 3, and 4 are true
3
Only 1, 2, and 4 are true
4
Only 1, 3, and 4 are true