Immune System
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Questions and Answers

Which of the following is a characteristic of bacteria cariogenica mentioned in the text?

  • It is resistant to antibiotics
  • It causes endocarditis
  • It forms a difficult-to-remove biofilm (correct)
  • It is resistant to acid
  • What is the definition of immunity according to the text?

  • Resistance to infectious disease (correct)
  • Resistance to bacterial infection
  • Resistance to disease
  • Resistance to viral infection
  • What is the first response of innate immunity against infections according to the text?

  • Elimination of mutated cells
  • Production of antibodies
  • Activation of toll-like receptors (correct)
  • Recognition of self and non-self cells
  • Which type of immunity provides the early line of defense against infections?

    <p>Innate immunity</p> Signup and view all the answers

    What is the function of Toll-like receptors (TLRs) in the immune response?

    <p>Destroy microorganism infectors</p> Signup and view all the answers

    Which cells are the first leukocytes to be recruited to an inflammatory site?

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

    What is the main function of matrix metalloproteinases (MMPs) in periodontitis?

    <p>Digest type I collagen</p> Signup and view all the answers

    Which type of antibody is the most abundant in serum?

    <p>Ig G</p> Signup and view all the answers

    What is the main function of neutrophils in acute inflammation?

    <p>To eliminate bacteria and fungi</p> Signup and view all the answers

    What is the main difference between mucositis and periimplantitis?

    <p>Mucositis is reversible, while periimplantitis is irreversible</p> Signup and view all the answers

    What is the main cause of type 1 diabetes?

    <p>A deficiency of insulin</p> Signup and view all the answers

    Which disease is characterized by inflammation of the synovium associated with destruction of the joint cartilage and bone?

    <p>Rheumatoid arthritis</p> Signup and view all the answers

    Which disease is characterized by chronic inflammation and affects the joints and kidneys, as well as causing symptoms such as swelling of the hands and feet, hair loss, and rashes?

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

    Which disease is characterized by the presence of autoantibodies and causes blistering lesions, particularly in the oral cavity?

    <p>Pemphigus vulgaris</p> Signup and view all the answers

    Which disease is characterized by muscle weakness and fatigue, and is caused by a neurovascular disorder affecting the acetylcholine neurotransmitter?

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

    Which type of immune cells are primarily responsible for eliminating microorganisms by phagocytosis?

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

    What is the primary function of innate immunity?

    <p>To promote inflammation</p> Signup and view all the answers

    When does adaptive immunity typically come into play during an infection?

    <p>Within 1-7 days</p> Signup and view all the answers

    What is the primary function of antibodies?

    <p>To eliminate virus</p> Signup and view all the answers

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