Podcast
Questions and Answers
What is the main mechanism for the initial movement of air into the lungs during inspiration?
What is the main mechanism for the initial movement of air into the lungs during inspiration?
- Osmosis
- Diffusion
- Perfusion
- Convection (correct)
Where does the actual exchange of gases occur in the lungs?
Where does the actual exchange of gases occur in the lungs?
- Bronchial tree
- Alveoli sacs (correct)
- Capillaries
- Conducting zone
What is the process through which air in the smallest airways moves into the alveoli sacs?
What is the process through which air in the smallest airways moves into the alveoli sacs?
- Active transport
- Filtration
- Osmosis
- Diffusion (correct)
Which part of the lung does air initially pass through to reach the respiratory zone of the bronchial tree?
Which part of the lung does air initially pass through to reach the respiratory zone of the bronchial tree?
What do the mechanics of breathing produce during inspiration?
What do the mechanics of breathing produce during inspiration?
In which part of the lungs does the movement of air involve convection?
In which part of the lungs does the movement of air involve convection?
According to Fick’s Law, the rate of transfer of a gas through a sheet of tissue is inversely proportional to:
According to Fick’s Law, the rate of transfer of a gas through a sheet of tissue is inversely proportional to:
Which factor is crucial to the alveoli remaining inflated, as mentioned in the text?
Which factor is crucial to the alveoli remaining inflated, as mentioned in the text?
What does the composition of air/the atmosphere at sea level consist of?
What does the composition of air/the atmosphere at sea level consist of?
What plays a vital role in keeping the alveoli inflated, as mentioned in the text?
What plays a vital role in keeping the alveoli inflated, as mentioned in the text?
According to Boyles Law, what happens when the greater the number of gas molecules in an area?
According to Boyles Law, what happens when the greater the number of gas molecules in an area?
What is the effect of rapid shallow breathing on the amount of air reaching the alveoli?
What is the effect of rapid shallow breathing on the amount of air reaching the alveoli?
In the alveoli, which gas has a greater partial pressure gradient across the respiratory membrane?
In the alveoli, which gas has a greater partial pressure gradient across the respiratory membrane?
What is the solubility comparison between carbon dioxide and oxygen?
What is the solubility comparison between carbon dioxide and oxygen?
How does gas exchange occur in the alveoli?
How does gas exchange occur in the alveoli?
What are the factors affecting efficient gas exchange?
What are the factors affecting efficient gas exchange?
What happens to the amount of fresh air reaching the alveoli if you take very shallow breaths?
What happens to the amount of fresh air reaching the alveoli if you take very shallow breaths?
What is collateral ventilation integral to?
What is collateral ventilation integral to?
What are the clinically termed names for blood gases in pulmonary arteries and veins?
What are the clinically termed names for blood gases in pulmonary arteries and veins?
