Podcast
Questions and Answers
What is the function of the mucociliary escalator in the respiratory system?
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?
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?
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?
What is the primary function of coughing and sneezing in the respiratory system?
Which part of the respiratory system is lined with moist epithelium containing mucus-secreting cells and covered with cilia?
Which part of the respiratory system is lined with moist epithelium containing mucus-secreting cells and covered with cilia?
What role do macrophages play in the respiratory system?
What role do macrophages play in the respiratory system?
What is the most common cause of pharyngitis?
What is the most common cause of pharyngitis?
Which bacterium is mainly responsible for streptococcal pharyngitis?
Which bacterium is mainly responsible for streptococcal pharyngitis?
How is pharyngitis primarily transmitted?
How is pharyngitis primarily transmitted?
What distinguishes strep throat from the common cold?
What distinguishes strep throat from the common cold?
Which bacterium is almost invariably responsible for acute epiglottitis?
Which bacterium is almost invariably responsible for acute epiglottitis?
What causes the difficulty in breathing or even death in acute epiglottitis?
What causes the difficulty in breathing or even death in acute epiglottitis?
What is the main treatment for severe sinusitis symptoms?
What is the main treatment for severe sinusitis symptoms?
Which infection affects the nose, throat, and sinuses?
Which infection affects the nose, throat, and sinuses?
What is the primary function of macrophages in the respiratory system?
What is the primary function of macrophages in the respiratory system?
Which part of the respiratory system is responsible for mechanically agitating mucus to increase exposure of microorganisms?
Which part of the respiratory system is responsible for mechanically agitating mucus to increase exposure of microorganisms?
What is the main function of the mucociliary escalator in the respiratory system?
What is the main function of the mucociliary escalator in the respiratory system?
What distinguishes the upper respiratory tract normal flora from pathogens inhaled into the system?
What distinguishes the upper respiratory tract normal flora from pathogens inhaled into the system?
What is the main role of hairs and mucus in the nasal cavity with respect to microorganisms and particles?
What is the main role of hairs and mucus in the nasal cavity with respect to microorganisms and particles?
Which part of the respiratory system contains moist epithelium with mucus-secreting cells and cilia?
Which part of the respiratory system contains moist epithelium with mucus-secreting cells and cilia?
Which bacterium is responsible for causing more than half of the cases of acute sinusitis?
Which bacterium is responsible for causing more than half of the cases of acute sinusitis?
What causes the inflammation of tissues that rapidly closes the airway, leading to difficulty in breathing or even death in acute epiglottitis?
What causes the inflammation of tissues that rapidly closes the airway, leading to difficulty in breathing or even death in acute epiglottitis?
What distinguishes strep throat from the common cold?
What distinguishes strep throat from the common cold?
Which bacterium is mainly responsible for streptococcal pharyngitis?
Which bacterium is mainly responsible for streptococcal pharyngitis?
What is the drug of choice for severe symptoms of sinusitis?
What is the drug of choice for severe symptoms of sinusitis?
What causes pharyngitis, or sore throat, in the majority of cases?
What causes pharyngitis, or sore throat, in the majority of cases?
Which type of sinus infection lasts over 3 months?
Which type of sinus infection lasts over 3 months?
What is the primary cause of laryngitis?
What is the primary cause of laryngitis?
Which microorganism causes more than half of the cases of acute sinusitis?
Which microorganism causes more than half of the cases of acute sinusitis?
