Streptococcal Infections: Organism, Epidemiology, Diagnosis, and Treatment
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Questions and Answers

Which type of streptococci is characterized by partial destruction of red blood cells on blood agar?

  • Gamma-hemolytic streptococci
  • Delta-hemolytic streptococci
  • Alpha-hemolytic streptococci (correct)
  • Beta-hemolytic streptococci
  • In which age group does the incidence of both respiratory and skin infections caused by streptococci peak?

  • Elderly
  • Adolescents
  • Infants (correct)
  • Adults
  • Which type of streptococci are common in the normal vaginal flora and occasionally cause invasive neonatal infection?

  • Beta-hemolytic streptococci (correct)
  • Alpha-hemolytic streptococci
  • Gamma-hemolytic streptococci
  • Delta-hemolytic streptococci
  • Which type of streptococcal disease is characterized by bacterial pharyngitis and cellulitis?

    <p>Suppurative (pyogenic) diseases</p> Signup and view all the answers

    Which bacterium is the most common cause of pharyngitis or sore throat?

    <p>S. pyogenes</p> Signup and view all the answers

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