Understanding Croup Infections
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Questions and Answers

What is the most common infection of the middle respiratory tract?

  • Influenza
  • Croup laryngotracheobronchitis (correct)
  • Bacterial tracheitis
  • Epiglottitis
  • What are the most common causes of croup?

  • Parainfluenza viruses and RSV (correct)
  • Coronaviruses
  • Influenza viruses
  • Adenoviruses
  • What is the age range for peak incidence of croup?

  • Six months to 3 years old (correct)
  • 6-12 years
  • 3-6 years
  • 0-6 months
  • What is the diagnostic sign seen in anteroposterior radiographs of the neck for croup?

    <p>Steeple sign</p> Signup and view all the answers

    What is uncommon and suggests epiglottitis or bacterial tracheitis in laboratory studies for croup?

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

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