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 (D)</p> Signup and view all the answers

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

<p>Physical therapy (A)</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 (B)</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 (A)</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 (C)</p> Signup and view all the answers

What does a test's specificity measure?

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

What does the presence of HLA-B27 suggest?

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

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

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

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