Microbiology Quiz on Tuberculosis and Respiratory Pathogens
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Questions and Answers

Which bacterium is frequently associated with cystic fibrosis patients?

  • Mycobacterium tuberculosis
  • Haemophilus influenzae
  • Pseudomonas aeruginosa (correct)
  • Streptococcus pneumoniae
  • Which test is used to detect latent tuberculosis infection?

  • Serology
  • Gram staining
  • Culture
  • Mantoux tuberculin skin test (correct)
  • Which antimicrobial class inhibits nucleic acid synthesis?

  • Quinolones (correct)
  • Aminoglycosides
  • Penicillins
  • Macrolides
  • What is the primary mode of transmission for Legionella pneumophila?

    <p>Inhalation of aerosols from contaminated water reservoirs</p> Signup and view all the answers

    Which bacterium is the causative agent of whooping cough?

    <p>Bordetella pertussis</p> Signup and view all the answers

    What is the most common mode of transmission for Mycoplasma pneumoniae?

    <p>Inhalation of respiratory droplets</p> Signup and view all the answers

    Which bacterium is commonly associated with upper respiratory tract diseases?

    <p>Moraxella catarrhalis</p> Signup and view all the answers

    What bacterium is prevented by vaccination against Haemophilus influenzae?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    What is the common agent causing community-acquired pneumonia in neonates?

    <p>E. coli</p> Signup and view all the answers

    How does latent TB infection typically manifest in the lung?

    <p>Living dormant inside the lung</p> Signup and view all the answers

    Which bacterial pathogen is characterized by a mucoid, 'currant jelly' appearance in sputum samples?

    <p>Klebsiella pneumoniae</p> Signup and view all the answers

    Which bacterial pathogen is a common cause of acute bronchitis and is also implicated in community-acquired pneumonia?

    <p>Streptococcus pneumoniae</p> Signup and view all the answers

    Which bacterial infection is characterized by the formation of a grayish membrane in the throat?

    <p>Diphtheria caused by Corynebacterium diphtheriae</p> Signup and view all the answers

    Which bacterial pathogen is a small, gram-negative coccobacillary rod associated with respiratory infections, particularly in individuals with compromised respiratory function?

    <p>Moraxella catarrhalis</p> Signup and view all the answers

    Which antimicrobial class is known for its mechanism of action that involves the inhibition of nucleic acid synthesis, specifically targeting DNA gyrase and topoisomerase enzymes?

    <p>Quinolones</p> Signup and view all the answers

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