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Questions and Answers
What is the role of the upper airway in the respiratory system?
What is the role of the upper airway in the respiratory system?
- Warming, filtering, and humidifying air (correct)
- Exchange of oxygen and carbon dioxide
- Site of gas exchange at the cellular level
- Innervated by phrenic nerves
Where does the exchange of oxygen and carbon dioxide primarily occur in the respiratory system?
Where does the exchange of oxygen and carbon dioxide primarily occur in the respiratory system?
- Nasopharynx
- Alveoli (correct)
- Trachea
- Larynx
Which structure is responsible for innervating the diaphragm?
Which structure is responsible for innervating the diaphragm?
- Alveoli
- Phrenic nerves (correct)
- Nasopharynx
- Bronchi
Why is it important to avoid trauma and bleeding in delicate upper airway structures?
Why is it important to avoid trauma and bleeding in delicate upper airway structures?
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What is the main purpose of the lower airway in the respiratory system?
What is the main purpose of the lower airway in the respiratory system?
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Study Notes
- Airway management is a crucial aspect of patient care.
- The respiratory system consists of the upper and lower airways.
- The upper airway includes the nasopharynx, oropharynx, and larynx.
- The upper airway warms, filters, and humidifies air.
- The lower airway includes the trachea, bronchi, and alveoli.
- The lower airway is responsible for the exchange of oxygen and carbon dioxide.
- The alveoli are the site of gas exchange at the cellular level.
- The diaphragm is innervated by the phrenic nerves.
- Proper care must be taken to avoid trauma and bleeding in delicate upper airway structures.
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