Diseases of Respiratory System Quiz
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Questions and Answers

What is the function of the mucociliary escalator in the respiratory system?

  • To engulf particles and microbes in the alveoli
  • To lift materials in the bronchi to the pharynx for expulsion or swallowing (correct)
  • To produce mucus for trapping microorganisms and debris
  • To mechanically agitate mucus for expelling microorganisms
  • Which part of the respiratory system contains a variety of normal microflora that help prevent infection by pathogens?

  • Larynx
  • Lower respiratory tract
  • Upper respiratory tract (correct)
  • Trachea
  • What is the main function of mucus in the respiratory system?

  • To produce saliva for swallowing
  • To trap microorganisms and most particles of debris (correct)
  • To engulf particles and microbes in the alveoli
  • To mechanically agitate mucus, increasing exposure of microorganisms
  • What is the primary function of coughing and sneezing in the respiratory system?

    <p>To mechanically agitate mucus, increasing exposure of microorganisms</p> Signup and view all the answers

    Which part of the respiratory system is lined with moist epithelium containing mucus-secreting cells and covered with cilia?

    <p>Nasal cavity</p> Signup and view all the answers

    What role do macrophages play in the respiratory system?

    <p>Engulf particles and microbes in the alveoli</p> Signup and view all the answers

    What is the most common cause of pharyngitis?

    <p>Viral infection</p> Signup and view all the answers

    Which bacterium is mainly responsible for streptococcal pharyngitis?

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

    How is pharyngitis primarily transmitted?

    <p>Inhaling droplets from active cases or healthy carriers</p> Signup and view all the answers

    What distinguishes strep throat from the common cold?

    <p>Absence of cough and nasal discharge</p> Signup and view all the answers

    Which bacterium is almost invariably responsible for acute epiglottitis?

    <p>Haemophilus influenzae</p> Signup and view all the answers

    What causes the difficulty in breathing or even death in acute epiglottitis?

    <p>Inflammation of the epiglottis</p> Signup and view all the answers

    What is the main treatment for severe sinusitis symptoms?

    <p>Intranasal corticosteroids and nasal decongestants</p> Signup and view all the answers

    Which infection affects the nose, throat, and sinuses?

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

    What is the primary function of macrophages in the respiratory system?

    <p>Engulfing particles and microbes in the alveoli</p> Signup and view all the answers

    Which part of the respiratory system is responsible for mechanically agitating mucus to increase exposure of microorganisms?

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

    What is the main function of the mucociliary escalator in the respiratory system?

    <p>Lifting materials to the pharynx to be expelled or swallowed</p> Signup and view all the answers

    What distinguishes the upper respiratory tract normal flora from pathogens inhaled into the system?

    <p>Variety of normal microflora helping to prevent infection by pathogens</p> Signup and view all the answers

    What is the main role of hairs and mucus in the nasal cavity with respect to microorganisms and particles?

    <p>Trapping microorganisms and most particles of debris</p> Signup and view all the answers

    Which part of the respiratory system contains moist epithelium with mucus-secreting cells and cilia?

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

    Which bacterium is responsible for causing more than half of the cases of acute sinusitis?

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

    What causes the inflammation of tissues that rapidly closes the airway, leading to difficulty in breathing or even death in acute epiglottitis?

    <p>Haemophilus influenzae</p> Signup and view all the answers

    What distinguishes strep throat from the common cold?

    <p>Absence of cough and nasal discharge</p> Signup and view all the answers

    Which bacterium is mainly responsible for streptococcal pharyngitis?

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

    What is the drug of choice for severe symptoms of sinusitis?

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

    What causes pharyngitis, or sore throat, in the majority of cases?

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

    Which type of sinus infection lasts over 3 months?

    <p>Chronic sinusitis</p> Signup and view all the answers

    What is the primary cause of laryngitis?

    <p>Combination of bacteria and virus</p> Signup and view all the answers

    Which microorganism causes more than half of the cases of acute sinusitis?

    <p>Haemophilus influenzae</p> Signup and view all the answers

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