Which of the following imaging modalities is commonly used to diagnose osteoarthritis?
MRI (Magnetic Resonance Imaging)
CT scan (Computed Tomography)
X-ray (Radiography)
Ultrasound
The Correct Answer is C
X-ray imaging is commonly used to diagnose osteoarthritis. It can visualize joint space narrowing, bone spurs, and other changes associated with the disease.
a. MRI is more commonly used to assess soft tissue structures and is not the first-line imaging modality for osteoarthritis.
b. CT scan is not typically used for diagnosing osteoarthritis due to its higher radiation exposure compared to X-ray.
d. Ultrasound is not commonly used for diagnosing osteoarthritis; it is more useful for soft tissue assessment.
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Correct Answer is C
Explanation
X-ray imaging is commonly used to diagnose osteoarthritis. It can visualize joint space narrowing, bone spurs, and other changes associated with the disease.
a. MRI is more commonly used to assess soft tissue structures and is not the first-line imaging modality for osteoarthritis.
b. CT scan is not typically used for diagnosing osteoarthritis due to its higher radiation exposure compared to X-ray.
d. Ultrasound is not commonly used for diagnosing osteoarthritis; it is more useful for soft tissue assessment.
Correct Answer is C
Explanation
Pain that worsens with weight-bearing activities and improves with rest is a classic clinical manifestation of osteoarthritis. Activity-related pain is due to the increased stress on the affected joint during movement, while rest allows for decreased pressure and relief of pain.
a. Nocturnal joint pain is more typical of inflammatory arthritis conditions like rheumatoid arthritis, not osteoarthritis.
b. Morning joint stiffness lasting for 1 hour is characteristic of inflammatory arthritis conditions like rheumatoid arthritis, not osteoarthritis.
d. Joint pain that is constant throughout the day may be seen in various joint disorders, but the pattern of pain relief with activity is more indicative of osteoarthritis.
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