Which of the following statements about osteoarthritis is correct?
It is an autoimmune disorder.
It is characterized by joint inflammation and swelling.
It commonly affects the distal finger joints.
It primarily involves the synovial joints.
The Correct Answer is C
Osteoarthritis commonly affects the distal finger joints, such as the DIP (distal interphalangeal) and PIP (proximal interphalangeal) joints. This form of osteoarthritis is known as Heberden's and Bouchard's nodes, respectively.
a. Osteoarthritis is not an autoimmune disorder; it is a degenerative joint disease.
b. Unlike rheumatoid arthritis, osteoarthritis is not characterized by joint inflammation and swelling.
d. While osteoarthritis primarily involves synovial joints, it is not limited to these joints.
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Correct Answer is B
Explanation
MRI is the most appropriate diagnostic test to confirm the diagnosis of osteoarthritis. It can provide detailed images of the affected joints, allowing the healthcare provider to assess the joint structures, cartilage, and bone for signs of osteoarthritis. Rheumatoid factor (RF) blood test and C-reactive protein (CRP) blood test are used to diagnose inflammatory arthritis conditions like rheumatoid arthritis, not osteoarthritis. Synovial fluid analysis is usually performed to assess for infection or inflammation in the joint, not to diagnose osteoarthritis.
a. Rheumatoid factor (RF) blood test is used to diagnose inflammatory arthritis conditions like rheumatoid arthritis, not osteoarthritis.
c. C-reactive protein (CRP) blood test is used to diagnose inflammatory conditions, but it is not specific to osteoarthritis.
d. Synovial fluid analysis is usually performed to assess for infection or inflammation in the joint, not to diagnose osteoarthritis.
Correct Answer is B
Explanation
Ibuprofen is a nonsteroidal anti-inflammatory drug (NSAID) commonly prescribed for the initial management of osteoarthritis. It helps reduce pain and inflammation in the affected joints. Methotrexate, prednisone, and infliximab are medications used to manage inflammatory arthritis conditions, such as rheumatoid arthritis, and are not typically prescribed for osteoarthritis.
a. Methotrexate is used in the management of inflammatory arthritis conditions, such as rheumatoid arthritis, and is not typically prescribed for osteoarthritis.
c. Prednisone is a corticosteroid used to manage inflammatory arthritis conditions, such as rheumatoid arthritis, and is not typically prescribed for osteoarthritis.
d. Infliximab is a biologic medication used in the management of inflammatory arthritis conditions, such as rheumatoid arthritis, and is not typically prescribed for osteoarthritis.
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