Podcast
Questions and Answers
What is the function of Clara cells in the terminal or tertiary bronchioles?
What is the function of Clara cells in the terminal or tertiary bronchioles?
- To produce surfactant-like material to reduce surface tension and maintain bronchiole patency (correct)
- To divide and regenerate the bronchiolar epithelium
- To protect the bronchiolar epithelium by lining it with their secretory product
- To metabolize xenobiotic compounds
What type of epithelium lines the terminal or tertiary bronchioles?
What type of epithelium lines the terminal or tertiary bronchioles?
- Simple cuboidal epithelium
- Stratified squamous epithelium
- Pseudostratified columnar epithelium
- Simple columnar or cuboidal epithelium composed of ciliated and Clara cells (correct)
What is the main function of the respiratory bronchioles?
What is the main function of the respiratory bronchioles?
- To conduct air to the alveolar sacs
- To exchange gases between the air and blood (correct)
- To produce surfactant to maintain alveolar patency
- To provide a barrier against inhaled pathogens
What structure is responsible for the final exchange of gases between air and blood?
What structure is responsible for the final exchange of gases between air and blood?
What is the purpose of the bronchial pores found in the alveolar ducts?
What is the purpose of the bronchial pores found in the alveolar ducts?
What type of cells line the alveolar ducts?
What type of cells line the alveolar ducts?
What type of epithelium lines the trachea?
What type of epithelium lines the trachea?
Which gland type is found in the submucosa of the trachea?
Which gland type is found in the submucosa of the trachea?
What kind of cells are NOT present in the tracheal mucosa?
What kind of cells are NOT present in the tracheal mucosa?
Which animal types have Type II lungs?
Which animal types have Type II lungs?
What is the main function of the lung according to the text?
What is the main function of the lung according to the text?
Which region of the respiratory system is characterized by skeletal muscles?
Which region of the respiratory system is characterized by skeletal muscles?
What are the spheroidal air spaces that open into an alveolar sac or alveolar duct called?
What are the spheroidal air spaces that open into an alveolar sac or alveolar duct called?
Which type of alveolar lining cell produces surfactants?
Which type of alveolar lining cell produces surfactants?
What percentage of the cells in the lung parenchyma are alveolar macrophages or dust cells?
What percentage of the cells in the lung parenchyma are alveolar macrophages or dust cells?
What is the name of the air-conducting tubes that carry air to the alveoli?
What is the name of the air-conducting tubes that carry air to the alveoli?
Which of the following is not part of the two arterial systems that supply the lung?
Which of the following is not part of the two arterial systems that supply the lung?
What is the name of the air spaces between the alveoli?
What is the name of the air spaces between the alveoli?
What type of epithelium lines the air capillaries in birds?
What type of epithelium lines the air capillaries in birds?
How many unpaired air sacs do most birds have?
How many unpaired air sacs do most birds have?
Which structure is involved in the return of air from the air sacs to the lung proper?
Which structure is involved in the return of air from the air sacs to the lung proper?
Which part of the avian respiratory system sends diverticula into bones like the humerus?
Which part of the avian respiratory system sends diverticula into bones like the humerus?
Which of the following is NOT a component of the mural elements in the avian respiratory system?
Which of the following is NOT a component of the mural elements in the avian respiratory system?
Which one of the following is true about the avian lung?
Which one of the following is true about the avian lung?
What are the main parts of the bronchial tree in the avian lung?
What are the main parts of the bronchial tree in the avian lung?
Which of the following statements about parabronchi is true?
Which of the following statements about parabronchi is true?
What is the epithelial lining of air vesicles or atria?
What is the epithelial lining of air vesicles or atria?
Which of the following structures are continuous loops that open back into the atria?
Which of the following structures are continuous loops that open back into the atria?
Which of the following is the correct order of structures in the avian lung?
Which of the following is the correct order of structures in the avian lung?
