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</p> Signup and view all the answers

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

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

    Study Notes

    • The same treatment

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    Description

    This quiz covers the characteristics and infections caused by Moraxella catarrhalis, a gram-negative coccobacillary rod. It includes its transmission, symptoms, and treatment options.

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