Musculoskeletal Disorders Lecture Objectives
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Questions and Answers

Which type of arthritis is NOT associated with the rheumatoid factor blood test?

  • Psoriatic Arthritis
  • Reiter’s Syndrome
  • Ankylosing Spondylitis (correct)
  • Rheumatoid Arthritis
  • What distinguishes fibromyalgia from other diseases?

  • Systemic disease with widespread effects
  • Presence of uveitis
  • Chronic non-granulomatous inflammation (correct)
  • Reactive bone formation
  • What is the primary diagnostic challenge for Ankylosing Spondylitis in early stages?

  • Visible on X-rays
  • Requires specialized MRI for detection (correct)
  • Easily distinguishable from mechanical back pain
  • Detectable through blood tests
  • What is a common long-term complication that can arise in Ankylosing Spondylitis patients if not managed properly?

    <p>Flexion contractures</p> Signup and view all the answers

    What type of intervention is essential for avoiding long-term complications in Ankylosing Spondylitis?

    <p>Physical therapy</p> Signup and view all the answers

    Why are men affected more than women in Ankylosing Spondylitis, according to the text?

    <p>Underdiagnosis in women</p> Signup and view all the answers

    What does a Likelihood ratio of 3.7 indicate?

    <p>The result is significantly associated with the disease</p> Signup and view all the answers

    Which characteristic is NOT part of the criteria mentioned for LBP in the text?

    <p>Morning stiffness less than 30 minutes</p> Signup and view all the answers

    What does a test's specificity measure?

    <p>How well it identifies true negatives</p> Signup and view all the answers

    What does the presence of HLA-B27 suggest?

    <p>High likelihood of developing an autoimmune disorder</p> Signup and view all the answers

    What percentage of the population with HLA-B27 does not develop ankylosing spondylitis?

    <p>10%</p> Signup and view all the answers

    What do a sensitivity and specificity of 70% and 81% respectively indicate?

    <p>High accuracy in identifying true positives and negatives</p> Signup and view all the answers

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