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Questions and Answers
What is the primary function of the respiratory bronchioles in the respiratory zone?
What is the primary function of the respiratory bronchioles in the respiratory zone?
- Conducting air to the alveoli for gas exchange (correct)
- Secreting surfactant for alveolar function
- Filtering out microbes from the inhaled air
- Assisting in warming and humidifying the inhaled air
What is the main mechanism of gas exchange in the respiratory zone?
What is the main mechanism of gas exchange in the respiratory zone?
- Simple diffusion (correct)
- Active transport
- Osmosis
- Facilitated diffusion
Which type of cells in the alveoli secrete surfactant?
Which type of cells in the alveoli secrete surfactant?
- Type I cells
- Alveolar macrophages
- Capillary cells
- Type II cells (correct)
What is the primary function of alveolar macrophages in the alveoli?
What is the primary function of alveolar macrophages in the alveoli?
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