Hypersensitivity Reactions Quiz
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Questions and Answers

Who does hypersensitivity affect?

  • Only individuals with inherited susceptibility genes
  • Individuals with weakened immune systems
  • Only sensitized individuals (previously exposed to the antigen) (correct)
  • Everyone regardless of exposure to antigens

    • What is the cause of hypersensitivity reaction?

  • Inheritance of susceptibility genes
  • Exaggerated response to endogenous antigens
  • Imbalance between effector cells & regulatory mechanisms (correct)
  • Lack of exposure to antigens

    • What elicits hypersensitivity?

  • Exogenous (environmental) antigens (microbial & non-microbial) (correct)
  • Lack of exposure to antigens
  • Endogenous antigens only
  • Inherited susceptibility genes

    • What are the effector cells in hypersensitivity?

    <p>Cells of the immune response</p> Signup and view all the answers

    What are the types of immune diseases mentioned in the text?

    <p>Immunodeficiency, Hypersensitivity, Autoimmune</p> Signup and view all the answers

    What is the main cause of hypersensitivity reaction?

    <p>Imbalance between effector cells &amp; regulatory mechanisms</p> Signup and view all the answers

    What type of antigens elicit hypersensitivity reactions?

    <p>Exogenous (environmental) antigens</p> Signup and view all the answers

    Who does hypersensitivity affect?

    <p>Sensitized individuals (previously exposed to the antigen)</p> Signup and view all the answers

    What are the types of immune diseases mentioned in the text?

    <p>Immunodeficiency, Hypersensitivity, Autoimmune</p> Signup and view all the answers

    What are the regulatory mechanisms in hypersensitivity reactions?

    <p>Suppression or stimulation of the local or systemic immune response</p> Signup and view all the answers

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