S. pneumonia Characteristics Quiz
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Questions and Answers

What is the mode of transmission for S. pneumonia?

  • Fecal-oral
  • Vertical
  • Airborne
  • Horizontal (correct)

Which of the following virulence factors is associated with S. pneumonia?

  • Exotoxin A
  • Protein M
  • Lipoteichoic acid (correct)
  • Streptolysin O

Which disease is caused by S. pneumonia colonization in mucosal surfaces?

  • Impetigo
  • Erysipelas (correct)
  • Cellulitis
  • Scarlet fever

What is the recommended treatment for penicillin-allergic patients with S. pneumonia infections?

<p>Penicillin + gentamycin (B)</p> Signup and view all the answers

Which toxin of S. pneumonia causes toxic shock syndrome?

<p>Exotoxin A (D)</p> Signup and view all the answers

In which location do viridans streptococci typically colonize?

<p>Oral cavity (D)</p> Signup and view all the answers

What type of hemolysis is associated with S. pneumonia?

<p>Alpha-hemolysis (B)</p> Signup and view all the answers

Which vaccine is available for the prevention of S. pneumonia infections?

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

Which toxin is responsible for causing necrotizing fasciitis in S. pneumonia infections?

<p>Exotoxin B (A)</p> Signup and view all the answers

What is the antibiotic susceptibility pattern of S. pneumonia to bacitracin?

<p>Sensitive (C)</p> Signup and view all the answers

Flashcards

S. pneumonia Transmission

The primary mode of transmission for S. pneumonia is from person to person, typically through respiratory droplets.

S. pneumonia Virulence Factor

Lipoteichoic acid is a virulence factor associated with S. pneumonia, contributing to its ability to adhere to host cells and evade the immune system.

S. pneumonia Infection

Erysipelas is a skin infection caused by S. pneumonia, characterized by red, painful, and swollen skin.

Penicillin-Allergic Treatment

For penicillin-allergic patients with S. pneumonia infections, a combination of penicillin and gentamycin is often recommended.

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Toxic Shock Syndrome Cause

Exotoxin A is a toxic substance produced by S. pneumonia that can cause toxic shock syndrome, a severe, potentially life-threatening condition.

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Viridans Streptococci Location

Viridans streptococci, a group of bacteria related to S. pneumonia, typically colonize the oral cavity, residing in the mouth.

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S. pneumonia Hemolysis

S. pneumonia exhibits alpha-hemolysis, a partial breakdown of red blood cells, resulting in a greenish halo around colonies on blood agar.

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S. pneumonia Prevention

The pneumococcal vaccine is available to prevent S. pneumonia infections, offering protection against a variety of strains.

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Necrotizing Fasciitis Cause

Exotoxin B, produced by S. pneumonia, can lead to necrotizing fasciitis, a serious condition where the fascia (connective tissue) is destroyed.

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S. pneumonia Bacitracin Susceptibility

S. pneumonia is generally susceptible to bacitracin, an antibiotic used to differentiate it from other bacteria.

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