Rheumatoid Arthritis Epidemiology and Prevalence
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Questions and Answers

What is the estimated prevalence of osteoarthritis (OA) in Canada?

  • 4.4 million (correct)
  • 6 million
  • 2.5 million
  • 8.8 million
  • In which age group does rheumatoid arthritis (RA) incidence show two peaks?

  • Age 25-50 & age 85 (correct)
  • Age 20-40 & age 60
  • Age 30-45 & age 65
  • Age 35-55 & age 70
  • What is the subtype of RA that has an onset at over 60 years and is often misdiagnosed as osteoarthritis?

  • JIA
  • AARA
  • CORA
  • EORA (correct)
  • Which gender shows less bias in the EORA subtype of RA?

    <p>No gender bias</p> Signup and view all the answers

    What is the approximate difference in RA incidence between females and males?

    <p>3x more in females</p> Signup and view all the answers

    What factor increases the risk of RA during pregnancy?

    <p>High estrogen level</p> Signup and view all the answers

    When is the risk of RA flare reduced for postpartum women?

    <p>&gt;1 year of breastfeeding</p> Signup and view all the answers

    When does the second peak incidence of RA occur in females?

    <p>Postmenopause</p> Signup and view all the answers

    What are the subtypes of Juvenile Idiopathic Arthritis (JIA) mentioned in the text?

    <p>6 subtypes</p> Signup and view all the answers

    What is the effect of estrogen on the immune response?

    <p>Enhances the immune response</p> Signup and view all the answers

    Which population group has a higher prevalence of rheumatoid arthritis?

    <p>North American Indigenous/First Nation people</p> Signup and view all the answers

    What condition is more prevalent and severe in North American Indigenous/First Nation people?

    <p>Rheumatoid arthritis</p> Signup and view all the answers

    What is the primary cause of morbidity in rheumatoid arthritis?

    <p>Higher infection rates</p> Signup and view all the answers

    What factor contributes 50-65% of the risk for rheumatoid arthritis?

    <p>Both genetic and non-genetic factors</p> Signup and view all the answers

    Which genetic factor increases the risk of rheumatoid arthritis?

    <p>PTPN22 gene</p> Signup and view all the answers

    What is the most appropriate treatment approach for osteoarthritis?

    <p>Address pain and symptoms</p> Signup and view all the answers

    Which autoimmune disease involves symmetric inflammation of multiple peripheral joints?

    <p>Rheumatoid arthritis</p> Signup and view all the answers

    What is the primary cause of mortality in rheumatoid arthritis patients?

    <p>Cardiovascular disease and related deaths</p> Signup and view all the answers

    What effect does progesterone have on immune response?

    <p>Inhibits immune response</p> Signup and view all the answers

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