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Questions and Answers
What is the main function of the conducting airways in the respiratory system?
What is the main function of the conducting airways in the respiratory system?
- Producing vasoactive substances for the lungs
- Generating energy for the cells of the lung
- Transporting gases to and from the gas exchange airways (correct)
- Regulating the body's metabolic processes
Which structure is responsible for humidifying the inhaled air in the conducting airways?
Which structure is responsible for humidifying the inhaled air in the conducting airways?
- Bronchioles
- Alveoli
- Venous plexus of nasal septum
- Mucous glands and cells (correct)
What is the primary role of the mucociliary escalator in the respiratory system?
What is the primary role of the mucociliary escalator in the respiratory system?
- Supporting vocal cord function
- Removing phlegm to prevent infection (correct)
- Regulating gas exchange in the alveoli
- Producing surfactant for alveolar patency
What is the main function of gas exchange with the tissues in the respiratory system?
What is the main function of gas exchange with the tissues in the respiratory system?
What opposes the tendency of alveoli to collapse when compressed?
What opposes the tendency of alveoli to collapse when compressed?
What is responsible for maintaining alveolar patency by lining the inner surface of the alveolus?
What is responsible for maintaining alveolar patency by lining the inner surface of the alveolus?
Which structure produces vasoactive substances for the lungs?
Which structure produces vasoactive substances for the lungs?
What is responsible for sampling the external environment with each breath?
What is responsible for sampling the external environment with each breath?
What structure closes the laryngeal inlet when eating or drinking?
What structure closes the laryngeal inlet when eating or drinking?
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