Podcast
Questions and Answers
What causes the decrease in alveolar pressure during spontaneous ventilation?
What causes the decrease in alveolar pressure during spontaneous ventilation?
- Increase in chest volume (correct)
- Contraction of accessory chest wall muscles
- Decrease in chest volume
- Pressure change in the abdominal cavity
Why does air flow into the lungs during spontaneous ventilation?
Why does air flow into the lungs during spontaneous ventilation?
- Ohm's law
- Increase in pleural pressure
- Decrease in alveolar pressure (correct)
- Contraction of lung tissues
What happens to pleural pressure during exhalation?
What happens to pleural pressure during exhalation?
- Increases
- Becomes equal to atmospheric pressure
- Decreases (correct)
- Remains constant
How does gas flow according to Ohm's law during spontaneous ventilation?
How does gas flow according to Ohm's law during spontaneous ventilation?
What results in the flow of air out of the lungs during exhalation?
What results in the flow of air out of the lungs during exhalation?
Why do the diaphragm and chest wall muscles relax during exhalation?
Why do the diaphragm and chest wall muscles relax during exhalation?
What is the role of intrathoracic pressure during spontaneous ventilation?
What is the role of intrathoracic pressure during spontaneous ventilation?
Which process describes gas exchange at the alveolar level?
Which process describes gas exchange at the alveolar level?
Where does oxygen and carbon dioxide exchange occur in the respiratory system?
Where does oxygen and carbon dioxide exchange occur in the respiratory system?
What happens to oxygen during inhalation in the pulmonary capillaries?
What happens to oxygen during inhalation in the pulmonary capillaries?
During exhalation, what type of air is primarily exhaled?
During exhalation, what type of air is primarily exhaled?
How do gases like oxygen and carbon dioxide move during respiration?
How do gases like oxygen and carbon dioxide move during respiration?
What allows for the delivery of oxygenated blood to the body during respiration?
What allows for the delivery of oxygenated blood to the body during respiration?
Where does the process of respiration occur in the lungs?
Where does the process of respiration occur in the lungs?
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