Moraxella Catarrhalis Infections

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Questions and Answers

What is the primary mode of transmission of Moraxella catarrhalis?

  • Ingestion of contaminated food
  • Vector-borne transmission
  • Contact with contaminated surfaces
  • Respiratory aerosol (correct)

What is the primary treatment for Moraxella nonliquefaciens-induced blepharitis?

  • Local application of antibiotic ointment (correct)
  • Topical application of antifungal cream
  • Systemic administration of trimethoprim-sulfamethoxazole
  • Surgical drainage of the eyelid

What is the primary risk factor for Moraxella catarrhalis-induced pneumonia?

  • Weakened immune system
  • Age younger than 5 years
  • History of tuberculosis
  • Chronic obstructive pulmonary disease (correct)

What is the characteristic shape of Moraxella species?

<p>Gram-negative coccobacillary rods (D)</p> Signup and view all the answers

What is the characteristic enzyme produced by most clinical isolates of Moraxella catarrhalis?

<p>β-Lactamase (D)</p> Signup and view all the answers

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Study Notes

  • The same treatment

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