Podcast
Questions and Answers
What is the characteristic of the epithelial lining of the alveolar ducts?
What is the characteristic of the epithelial lining of the alveolar ducts?
- Stratified squamous epithelium
- Simple squamous epithelium (correct)
- Cuboidal epithelium
- Ciliated columnar epithelium
What is the role of smooth muscle in the respiratory bronchioles and alveolar ducts?
What is the role of smooth muscle in the respiratory bronchioles and alveolar ducts?
- Production of mucus
- Regulation of alveolar air movements (correct)
- Regulation of blood pressure
- Support of the respiratory tract structure
What is the primary function of the alveoli in the respiratory system?
What is the primary function of the alveoli in the respiratory system?
- Gas exchange between the lungs and the bloodstream (correct)
- Filtering of air particles
- Production of surfactant
- Regulation of air movement
What is the structure that forms a common wall between adjacent alveoli?
What is the structure that forms a common wall between adjacent alveoli?
What is the relationship between respiratory bronchioles and alveolar ducts?
What is the relationship between respiratory bronchioles and alveolar ducts?
What is the characteristic of the structure of the respiratory bronchioles?
What is the characteristic of the structure of the respiratory bronchioles?
What is the primary function of Clara cells in the bronchioles?
What is the primary function of Clara cells in the bronchioles?
What is the characteristic arrangement of smooth muscle cells in the terminal bronchioles?
What is the characteristic arrangement of smooth muscle cells in the terminal bronchioles?
Which of the following structures is absent in the small bronchi?
Which of the following structures is absent in the small bronchi?
What is the primary function of smooth muscle cells in the conducting passages?
What is the primary function of smooth muscle cells in the conducting passages?
What is the characteristic of the epithelium lining the terminal bronchioles?
What is the characteristic of the epithelium lining the terminal bronchioles?
What is the function of the Clara cell secretory protein (CCSP)?
What is the function of the Clara cell secretory protein (CCSP)?
What is the primary function of the air-blood barrier in the gas exchanging region of the lungs?
What is the primary function of the air-blood barrier in the gas exchanging region of the lungs?
Which type of cell makes up the majority of the alveolar surface area?
Which type of cell makes up the majority of the alveolar surface area?
What is the primary function of surfactant, a lipoprotein complex secreted by Type II cells?
What is the primary function of surfactant, a lipoprotein complex secreted by Type II cells?
What is the primary function of alveolar macrophages or dust cells?
What is the primary function of alveolar macrophages or dust cells?
What is the structure formed by the pleura when it folds back onto itself?
What is the structure formed by the pleura when it folds back onto itself?
Which of the following components does NOT form part of the air-blood barrier?
Which of the following components does NOT form part of the air-blood barrier?
