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Questions and Answers
Where does gas exchange between the blood and external environment occur?
Where does gas exchange between the blood and external environment occur?
- Alveoli (correct)
- Pharynx
- Bronchi
- Larynx
What is the function of the sinuses within the bones surrounding the nasal cavity?
What is the function of the sinuses within the bones surrounding the nasal cavity?
- Filter the air entering the lungs
- Increase surface area for gas exchange
- Produce mucus that drains into the nasal cavity
- Lighten the skull and act as resonance chambers (correct)
What separates the nasal cavity from the oral cavity?
What separates the nasal cavity from the oral cavity?
- Trachea
- Bronchi
- Larynx
- Palate (correct)
Which region is not part of the three regions of the pharynx?
Which region is not part of the three regions of the pharynx?
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What is the function of the epiglottis?
What is the function of the epiglottis?
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What keeps the trachea patent (open) to allow airflow?
What keeps the trachea patent (open) to allow airflow?
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Which bronchus is wider, shorter, and straighter than the other?
Which bronchus is wider, shorter, and straighter than the other?
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Where does the apex of each lung lie?
Where does the apex of each lung lie?
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What are the lateral wall projections in the nasal cavity called?
What are the lateral wall projections in the nasal cavity called?
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What is the function of tonsils in the pharynx?
What is the function of tonsils in the pharynx?
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