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

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

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

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

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

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

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

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

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

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