Upper Respiratory Tract Infections

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Questions and Answers

Which microorganism is emphasized in the description of throat infections?

  • Staphylococcus aureus
  • Corynebacterium diphtheriae (correct)
  • Streptococcus viridans
  • Haemophilus influenzae

Which microorganism constitutes a significant portion of the normal flora of the mouth and throat?

  • Neisseria spp.
  • Staphylococcus aureus
  • Streptococcus viridans (correct)
  • Haemophilus influenzae

Which microorganism is mentioned as normally harmless except in immunosuppressed individuals?

  • Streptococcus pneumoniae
  • Neisseria spp.
  • Candida albicans (correct)
  • Haemophilus influenzae

Which part of the respiratory system is included in the upper respiratory tract?

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

Which part of the respiratory system is responsible for the exchange of oxygen and carbon dioxide?

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

Flashcards

Throat infection microbe

Corynebacterium diphtheriae is a bacterium associated with throat infections.

Common mouth/throat bacteria

Streptococcus viridans is a common bacterium found in the mouth and throat.

Fungal throat microbe

Candida albicans is a fungus that can cause throat problems in people with weakened immune systems.

Upper respiratory part

The pharynx is part of the upper respiratory system.

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Lung exchange part

Alveolus is where oxygen and carbon dioxide are exchanged in the lungs.

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Study Notes

Throat Infections

  • Streptococcus is the microorganism emphasized in the description of throat infections.

Normal Flora

  • Streptococcus constitutes a significant portion of the normal flora of the mouth and throat.

Opportunistic Pathogens

  • Candida is normally harmless except in immunosuppressed individuals.

Respiratory System

  • The upper respiratory tract includes the throat.
  • The lungs are responsible for the exchange of oxygen and carbon dioxide.

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