Podcast
Questions and Answers
What is the effect of CO2 combining with water in cerebrospinal fluid?
What is the effect of CO2 combining with water in cerebrospinal fluid?
- Releases oxygen ions
- Releases hydrogen ions (correct)
- Inhibits alveolar ventilation
- Triggers an inflation reflex
What happens when peripheral chemoreceptors sense low oxygen levels?
What happens when peripheral chemoreceptors sense low oxygen levels?
- Alveolar ventilation decreases
- Breathing becomes slower and deeper
- Inflation reflex is triggered
- Alveolar ventilation increases (correct)
What is the effect of stretching of lung tissue on breathing?
What is the effect of stretching of lung tissue on breathing?
- Increases the duration of inspiratory movements
- Increases alveolar ventilation
- Reduces the duration of inspiratory movements (correct)
- Decreases O2 levels
What is the effect of hyperventilation on CO2 levels?
What is the effect of hyperventilation on CO2 levels?
What is the purpose of breathing into a paper bag during hyperventilation?
What is the purpose of breathing into a paper bag during hyperventilation?
What is the effect of rapid, shallow breathing on O2 levels?
What is the effect of rapid, shallow breathing on O2 levels?
What is the primary function of internal respiration?
What is the primary function of internal respiration?
What is the partial pressure of oxygen in the tissue capillary?
What is the partial pressure of oxygen in the tissue capillary?
What is the effect of high blood temperature on oxygen release from hemoglobin?
What is the effect of high blood temperature on oxygen release from hemoglobin?
What is the result of carbon monoxide poisoning?
What is the result of carbon monoxide poisoning?
What percentage of carbon dioxide is transported in the bloodstream as bicarbonate ions?
What percentage of carbon dioxide is transported in the bloodstream as bicarbonate ions?
What is the primary function of oxyhemoglobin?
What is the primary function of oxyhemoglobin?
What happens to the membranes during inspiration?
What happens to the membranes during inspiration?
What aids maximal inspiration?
What aids maximal inspiration?
What is the main factor that aids expiration?
What is the main factor that aids expiration?
What is the function of surfactant in the lungs?
What is the function of surfactant in the lungs?
What is Atelectasis?
What is Atelectasis?
Why do premature newborns experience Respiratory Distress Syndrome (RDS)?
Why do premature newborns experience Respiratory Distress Syndrome (RDS)?
What is the primary function of the alveoli in the respiratory system?
What is the primary function of the alveoli in the respiratory system?
What is the name of the membrane that lines the thoracic cavity?
What is the name of the membrane that lines the thoracic cavity?
How many alveoli are present in the lungs?
How many alveoli are present in the lungs?
What is the shape of the lungs?
What is the shape of the lungs?
What is the purpose of the pleural fluid?
What is the purpose of the pleural fluid?
How many lobes are present in the right lung?
How many lobes are present in the right lung?
What is the main function of the trachea?
What is the main function of the trachea?
What is the name of the airways that lead from the trachea to microscopic air sacs in the lungs?
What is the name of the airways that lead from the trachea to microscopic air sacs in the lungs?
What is the purpose of the C-shaped plates in the bronchi?
What is the purpose of the C-shaped plates in the bronchi?
What is the name of the smallest airways that branch into respiratory bronchioles?
What is the name of the smallest airways that branch into respiratory bronchioles?
What is the name of the tiny air sacs where the exchange of oxygen and carbon dioxide takes place?
What is the name of the tiny air sacs where the exchange of oxygen and carbon dioxide takes place?
What is the direction of the epithelial change in the bronchial tree from the trachea to the terminal bronchioles?
What is the direction of the epithelial change in the bronchial tree from the trachea to the terminal bronchioles?
