Podcast
Questions and Answers
Where does gas exchange occur in the respiratory system?
Where does gas exchange occur in the respiratory system?
- Bronchial circulation
- Alveolar-capillary membrane (correct)
- Trachea and bronchi
- Conducting zone
Which zone of the lungs warms and humidifies inspired air?
Which zone of the lungs warms and humidifies inspired air?
- Bronchial circulation
- Pulmonary circulation
- Respiratory zone
- Conducting zone (correct)
What is the function of the bronchial circulation in the lungs?
What is the function of the bronchial circulation in the lungs?
- Serving as part of the body's defense system
- Gas exchange (correct)
- Distributing air equally
- Warming and humidifying air
Which part of the lung serves as the anatomic dead space?
Which part of the lung serves as the anatomic dead space?
What is the site of gas exchange in the respiratory units known as?
What is the site of gas exchange in the respiratory units known as?
Which part of the lung has its own distinct circulation called pulmonary circulation?
Which part of the lung has its own distinct circulation called pulmonary circulation?
What is the main role of the alveolar-capillary membrane in the lungs?
What is the main role of the alveolar-capillary membrane in the lungs?
Which physical law describes the relationship between pressure and volume changes when air moves into and out of the lungs?
Which physical law describes the relationship between pressure and volume changes when air moves into and out of the lungs?
In a normal breathing cycle, what happens to intrapleural pressure during inspiration?
In a normal breathing cycle, what happens to intrapleural pressure during inspiration?
Which part of the respiratory system is responsible for conducting air into the lungs without participating in gas exchange?
Which part of the respiratory system is responsible for conducting air into the lungs without participating in gas exchange?
What is the primary function of the respiratory zone in the lungs?
What is the primary function of the respiratory zone in the lungs?
During gas exchange in the lungs, where does oxygen move from and to?
During gas exchange in the lungs, where does oxygen move from and to?
What is the term for the air that remains in the conducting airway and does not reach the alveoli?
What is the term for the air that remains in the conducting airway and does not reach the alveoli?
Which equation is used to estimate alveolar ventilation with hyperventilation and hypoventilation?
Which equation is used to estimate alveolar ventilation with hyperventilation and hypoventilation?
What factor can drastically change Alveolar Ventilation by altering the rate or depth of breathing?
What factor can drastically change Alveolar Ventilation by altering the rate or depth of breathing?
What is the term for the alveoli ventilated but not perfused with pulmonary capillary blood?
What is the term for the alveoli ventilated but not perfused with pulmonary capillary blood?
Which equation uses CO2 levels to determine physiological dead space?
Which equation uses CO2 levels to determine physiological dead space?
Which physical law describes the relationship between surface tension and pressure in alveoli?
Which physical law describes the relationship between surface tension and pressure in alveoli?
What substance reduces surface tension in the lungs and prevents alveolar collapse?
What substance reduces surface tension in the lungs and prevents alveolar collapse?
What condition results from a deficiency in pulmonary surfactant in premature infants?
What condition results from a deficiency in pulmonary surfactant in premature infants?
What term refers to the sum of anatomic dead space and alveolar dead space?
What term refers to the sum of anatomic dead space and alveolar dead space?
Which factor can lead to an increased lung compliance?
Which factor can lead to an increased lung compliance?
