The Treg Cell Quiz
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Questions and Answers

Which type of hypersensitivity reaction involves the formation of cross-reacting antibodies against foreign antigens that also attack the patient's own antigens?

  • Type I
  • Type II
  • Type III (correct)
  • Type IV
  • Which type of hypersensitivity reaction is antibody-dependent and involves complement-mediated lysis of cells or other membrane damage?

  • Type II (correct)
  • Type IV
  • Type I
  • Type III
  • Which type of hypersensitivity reaction is T cell-mediated and typically occurs 24-72 hours after exposure?

  • Type II
  • Type IV (correct)
  • Type I
  • Type III
  • Which type of hypersensitivity reaction involves the deposition of immune complexes in tissues, leading to complement pathway activation and tissue damage?

    <p>Type III</p> Signup and view all the answers

    Which type of hypersensitivity reaction is characterized by the sensitization and activation of T lymphocytes on second contact with the same antigen?

    <p>Type IV</p> Signup and view all the answers

    What is the main mechanism responsible for the development of autoimmune diseases?

    <p>Failure of central tolerance mechanisms</p> Signup and view all the answers

    Which type of immune suppressing therapy is commonly used in the treatment of autoimmune diseases?

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

    What is the recommended treatment for transplant patients, especially bone marrow transplant (BMT) patients?

    <p>Immune suppression</p> Signup and view all the answers

    What is the effect of autoimmune disease treatment on the body?

    <p>Indirect and somewhat effective</p> Signup and view all the answers

    What is the role of T-cells in the pathogenesis of autoimmune diseases?

    <p>Destroy islet cells</p> Signup and view all the answers

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