Autoimmune Diseases and Genetics
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Questions and Answers

What is the primary role of genetic susceptibility in autoimmune diseases?

  • Suppressing T-cell mediated responses
  • Developing cross-reacting epitopes with self-antigens
  • Playing an important role in the development of autoimmune diseases (correct)
  • Triggering infections and tissue injury
  • What is the term used to describe the phenomenon where the body responds to a microbial antigen and attacks self-tissues?

  • Self-antigen recognition
  • Molecular tolerance
  • Molecular mimicry (correct)
  • Autoimmune response
  • What is the result of the breakdown of self-tolerance in autoimmune disorders?

  • Release of sequestered antigens
  • Loss of one or more mechanisms of self-tolerance (correct)
  • Triggering of molecular mimicry
  • Development of genetic susceptibility
  • Which of the following is an example of an autoimmune disease triggered by molecular mimicry?

    <p>Rheumatic heart disease</p> Signup and view all the answers

    What is the role of HLA loci in autoimmune diseases?

    <p>Linking autoimmune diseases with genetic susceptibility</p> Signup and view all the answers

    What is the term used to describe the display and recognition of self-antigens after tissue injury or infection?

    <p>Altered display and recognition of self-antigens</p> Signup and view all the answers

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