Which of the following diagnostic tests is most commonly used to confirm the diagnosis of osteoarthritis?
Rheumatoid factor (RF) blood test
Antinuclear antibody (ANA) blood test
Magnetic resonance imaging (MRI)
X-ray of affected joints
The Correct Answer is D
X-ray is the most commonly used diagnostic test to confirm the diagnosis of osteoarthritis. It can show joint space narrowing, osteophyte formation (bony overgrowths), and other changes characteristic of osteoarthritis. Rheumatoid factor (RF) and antinuclear antibody (ANA) blood tests are used to diagnose autoimmune conditions like rheumatoid arthritis, not osteoarthritis. Magnetic resonance imaging (MRI) can provide more detailed images of joint structures, but X-ray is typically the initial diagnostic test for osteoarthritis.
a. Rheumatoid factor (RF) blood test is used to diagnose rheumatoid arthritis, not osteoarthritis.
b. Antinuclear antibody (ANA) blood test is used to diagnose autoimmune disorders such as systemic lupus erythematosus (SLE), not osteoarthritis.
c. Magnetic resonance imaging (MRI) can be helpful in assessing joint structures in more detail, but X-ray is the primary diagnostic test for osteoarthritis.
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Related Questions
Correct Answer is D
Explanation
Excessive physical activity and joint overuse can contribute to the development of osteoarthritis. Repetitive use and mechanical stress on the joints can lead to cartilage degeneration over time.
a. Osteoarthritis is primarily a non-inflammatory condition. Chronic inflammation of the synovial membrane is more characteristic of other types of arthritis, such as rheumatoid arthritis.
b. Osteoarthritis is not related to hyperactivity of the immune system. It is not an autoimmune disease, and the immune system is not involved in its pathogenesis.
c. Collagen is an essential component of joint cartilage. A deficiency of collagen would weaken the cartilage and contribute to joint degeneration. However, osteoarthritis is not primarily caused by collagen deficiency.
Correct Answer is B
Explanation
Using a TENS unit on the affected joint can help alleviate pain by delivering electrical impulses that interfere with pain signals to the brain. Applying a heating pad may provide temporary relief, but it is not as effective as using a TENS unit for pain management in osteoarthritis. High-impact exercises are not recommended, as they can exacerbate joint pain and damage. Massaging the affected joint with essential oils may offer some relief, but it is not as effective as using a TENS unit for pain management.
a. Applying a heating pad to the affected joint for 30 minutes daily. While applying a heating pad may provide some temporary relief, using a TENS unit is a more effective non-pharmacological intervention for pain management in osteoarthritis.
c. Performing high-impact exercises to strengthen the affected joint. High-impact exercises can exacerbate joint pain and damage in clients with osteoarthritis. Low-impact exercises are recommended instead.
d. Massaging the affected joint with essential oils. While massaging the affected joint may offer some relief, using a TENS unit is a more effective non-pharmacological intervention for pain management in osteoarthritis.
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