What is the main characteristic of osteoarthritis?
Inflammation of the synovial membrane
Formation of bony nodules in the joints
Breakdown of joint cartilage
Overproduction of synovial fluid
The Correct Answer is C
The main characteristic of osteoarthritis is the gradual breakdown of joint cartilage, which leads to joint pain, stiffness, and loss of function. This breakdown occurs over time due to various factors such as aging, joint overuse, and mechanical stress.
a. Osteoarthritis is primarily a non-inflammatory condition. While some inflammation may occur in later stages, it is not the main characteristic of the disease. Inflammation of the synovial membrane is more characteristic of other types of arthritis, such as rheumatoid arthritis.
b. Formation of bony nodules in the joints is not a primary characteristic of osteoarthritis. It is more commonly seen in conditions like osteophytes, which are small, bony outgrowths that can develop around the joints in response to cartilage degeneration.
d. Overproduction of synovial fluid is not a characteristic of osteoarthritis. Osteoarthritis is not primarily a disease of the synovial membrane, and excessive synovial fluid production is more characteristic of inflammatory joint conditions.
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Correct Answer is D
Explanation
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.
Correct Answer is C
Explanation
Regular low-impact exercises, such as swimming, cycling, and walking, are recommended for individuals with osteoarthritis to improve joint flexibility and strength without causing excessive stress on the affected joints. Avoiding all forms of exercise and physical activity can lead to joint stiffness and worsen the symptoms of osteoarthritis. Maintaining a sedentary lifestyle is not beneficial for managing osteoarthritis. High-impact sports and activities can cause additional stress on the joints and are generally not recommended for individuals with osteoarthritis.
a. Avoiding all forms of exercise and physical activity is not recommended for individuals with osteoarthritis. Regular exercise is essential for managing the condition effectively.
b. Maintaining a sedentary lifestyle is not beneficial for individuals with osteoarthritis. Engaging in regular physical activity is important for joint health and overall well-being.
d. Participating in high-impact sports and activities can exacerbate the symptoms of osteoarthritis and cause further joint damage. Low-impact exercises are a safer option for individuals with this condition.
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