Streptococcus Pneumoniae: Characteristics and Pathogenesis
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Questions and Answers

What is the distinguishing feature of Streptococcus pneumoniae?

  • Rod-shaped
  • Spiral-shaped
  • Lancet-shaped (correct)
  • Spherical-shaped
  • Which factor is responsible for the major virulence of Streptococcus pneumoniae?

  • Teichoic acid
  • IgA protease
  • Pneumolysin
  • Polysaccharide capsule (correct)
  • What is the most common cause of pneumonia in individuals around the age of 60?

  • Mycoplasma pneumoniae
  • Streptococcus pneumoniae (correct)
  • Haemophilus influenzae
  • Legionella pneumophila
  • Which test is used to detect capsular antigen in cerebrospinal fluid (CSF)?

    <p>Latex particle agglutination</p> Signup and view all the answers

    Which vaccine prevents invasive disease caused by Streptococcus pneumoniae in adults?

    <p>Pneumococcal polysaccharide vaccine (PPV)</p> Signup and view all the answers

    What is the major distinguishing feature of Streptococcus pneumoniae?

    <p>Lysed by bile (bile soluble)</p> Signup and view all the answers

    Which virulence factor of Streptococcus pneumoniae damages respiratory epithelium and inhibits leukocyte respiratory burst?

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

    What is the most common cause of typical pneumonia, especially in the sixth decade of life?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    Which test is used to detect capsular antigen in cerebrospinal fluid (CSF) for Streptococcus pneumoniae diagnosis?

    <p>Latex particle agglutination</p> Signup and view all the answers

    What is the recommended treatment for Streptococcus pneumoniae bacterial pneumonia?

    <p>Beta lactams</p> Signup and view all the answers

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