Infectious Diseases of the Upper Respiratory Tract
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Questions and Answers

Which of the following is the predominant etiology of acute pharyngitis?

  • Virus (correct)
  • Both virus and bacteria
  • Bacteria
  • Fungal

What is the resistance mechanism of Streptococcus pneumoniae against penicillins and cephalosporins?

  • Increased efflux pump activity
  • Biofilm formation
  • β-lactamase production
  • Target site alteration (PBP) (correct)

What is the main risk factor for acute otitis media (AOM) in children?

  • Tobacco smoke exposure
  • Daycare attendance
  • Family history of AOM
  • Age (correct)

What is the pathophysiology of acute otitis media (AOM)?

<p>Swelling of eustachian tube mucosa (B)</p> Signup and view all the answers

What is the mechanism to overcome resistance to penicillins and cephalosporins caused by β-lactamase production?

<p>Adding β-lactamase inhibitor (C)</p> Signup and view all the answers

Which of the following is the most common bacteria associated with acute otitis media (AOM)?

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

Which age group is most at risk for developing acute otitis media (AOM)?

<p>Children between 0-3 years old (B)</p> Signup and view all the answers

What is the main symptom of acute otitis media (AOM) in younger, nonverbal children?

<p>Tugging of ear (D)</p> Signup and view all the answers

What is the main cause of acute otitis media (AOM) in children attending daycare?

<p>Viral respiratory illness (B)</p> Signup and view all the answers

What is the pathophysiology of acute otitis media (AOM)?

<p>Obstruction of the eustachian tube by fluid (D)</p> Signup and view all the answers

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