Spread of Infection and Bacterial Adherence Quiz
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Questions and Answers

Which term refers to proteins (enzymes) produced by bacteria that damage host cells and facilitate the growth and spread of the pathogen?

  • Collagenases
  • Invasins (correct)
  • Streptokinase
  • Neuraminidases
  • Which bacterial enzyme breaks down collagen, promoting the spread of the pathogen?

  • Neuraminidase
  • Lecithinase
  • Collagenase (correct)
  • Hyaluronidase
  • What is the role of Streptokinase and Staphylokinase in promoting pathogen spread?

  • Degrading neuraminic acid
  • Destroying lecithin
  • Converting plasminogen to plasmin (correct)
  • Hydrolyzing phospholipids
  • Which bacterial enzyme destabilizes cell membranes by attacking phospholipids?

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

    What mechanism allows some pathogens to hide their unique antigens from opsonising antibodies or complement?

    <p>Antigenic variation</p> Signup and view all the answers

    Which bacterial enzyme depolymerizes hyaluronic acid in connective tissue?

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

    How do Streptokinase and Staphylokinase contribute to pathogen spread?

    <p>Converting plasminogen to plasmin</p> Signup and view all the answers

    Which process involves bacterial enzymes that insert into the cell membrane, forming pores that result in cell lysis?

    <p>Phospholipase action</p> Signup and view all the answers

    What is the function of neuraminidase?

    <p>Degrades neuraminic acid in intercellular cement</p> Signup and view all the answers

    Which enzyme destroys lecithin in cell membranes?

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

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