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

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

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

What factor increases the risk of RA during pregnancy?

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

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

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

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

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

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

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

What is the effect of estrogen on the immune response?

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

Which population group has a higher prevalence of rheumatoid arthritis?

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

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

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

What is the primary cause of morbidity in rheumatoid arthritis?

<p>Higher infection rates (D)</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 (B)</p> Signup and view all the answers

Which genetic factor increases the risk of rheumatoid arthritis?

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

What is the most appropriate treatment approach for osteoarthritis?

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

Which autoimmune disease involves symmetric inflammation of multiple peripheral joints?

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

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

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

What effect does progesterone have on immune response?

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

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