Type II Hypersensitivity Reactions Quiz
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Questions and Answers

Which type of hypersensitivity reaction is caused by the binding of autoantibodies to a cell or neutralizing an essential protein?

  • Type II (correct)
  • Type III
  • Type IV
  • Type I

    • What is the mechanism of injury in type II hypersensitivity reactions?

  • Cytokine production
  • Histamine release
  • T cell activation
  • Complement activation (correct)

    • Which cells are attracted and contribute to tissue injury in type II hypersensitivity reactions?

  • Macrophages
  • T cells
  • B cells
  • Neutrophils (correct)

    • Which of the following conditions is an example of a type II hypersensitivity reaction?

    <p>Graves disease</p> Signup and view all the answers

    What is the term for the condition caused by autoantibodies directed to the acetylcholine receptors on motor endplates of muscle?

    <p>Myasthenia gravis</p> Signup and view all the answers

    Which of the following is an example of a type II hypersensitivity reaction involving red blood cells?

    <p>Hemolytic disease of newborn</p> Signup and view all the answers

    What is the term for the type of kidney disease caused by autoantibodies directed against basement membranes of glomerular capillaries in the urinary system?

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

    Which type of hypersensitivity reaction involves the formation of immune complexes that can be deposited in tissues?

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

    Which type of hypersensitivity reaction is characterized by T lymphocytes causing tissue injury?

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

    Which disease is an example of tissue injury caused by immune complexes in the urinary system?

    <p>Acute postinfectious glomerulonephritis</p> Signup and view all the answers

    Which protein is lacking in individuals with severe hemophilia A?

    <p>F.VIII</p> Signup and view all the answers

    What can happen when patients with severe hemophilia A are treated with recombinant human F.VIII?

    <p>The immune system may produce antibodies against the therapeutic F.VIII</p> Signup and view all the answers

    What is the characteristic feature of type III hypersensitivity reactions?

    <p>Formation of immune complexes</p> Signup and view all the answers

    What is the time delay for a type IV hypersensitivity reaction to develop?

    <p>24 to 48 hours</p> Signup and view all the answers

    What is the cause of contact dermatitis?

    <p>Exposure to plant derived oily resins</p> Signup and view all the answers

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