Podcast
Questions and Answers
What is the definition of exercise-induced arterial hypoxemia (EIAH)?
What is the definition of exercise-induced arterial hypoxemia (EIAH)?
- Condition when O2 carried in arterial blood is severely reduced (correct)
- Condition when CO2 carried in arterial blood is severely reduced
- Condition when CO2 carried in venous blood is severely reduced
- Condition when O2 carried in venous blood is severely reduced
What happens to the A-a (alveolar to arterial) PO2 difference during incremental exercise?
What happens to the A-a (alveolar to arterial) PO2 difference during incremental exercise?
- It increases (correct)
- It stays constant
- It decreases
- It fluctuates
What happens to the venous blood saturation as workload increases during incremental exercise?
What happens to the venous blood saturation as workload increases during incremental exercise?
- It decreases and plateaus around 80% (correct)
- It decreases and plateaus around 50%
- It increases and plateaus around 80%
- It increases and plateaus around 50%
What is the effect of higher intensity exercise on arterial CO2 levels?
What is the effect of higher intensity exercise on arterial CO2 levels?
What is the impact of tidal volume increase on the VD/VT ratio?
What is the impact of tidal volume increase on the VD/VT ratio?
What happens to the O2 extraction from blood as workload increases?
What happens to the O2 extraction from blood as workload increases?
What happens to the oxygen levels in muscle around 50% O2 extraction from blood?
What happens to the oxygen levels in muscle around 50% O2 extraction from blood?
What is the effect of body pumping more blood to muscle during exercise?
What is the effect of body pumping more blood to muscle during exercise?
What is the impact of altitude on atmospheric pressure?
What is the impact of altitude on atmospheric pressure?
What happens to the O2 levels in arterial and alveolar PO2 at maximal exercise compared to at rest?
What happens to the O2 levels in arterial and alveolar PO2 at maximal exercise compared to at rest?
What is the definition of ventilation?
What is the definition of ventilation?
What is the triphasic response related to ventilation?
What is the triphasic response related to ventilation?
What does the VD/VT ratio measure?
What does the VD/VT ratio measure?
What is the physiological dead space related to ventilation?
What is the physiological dead space related to ventilation?
What is hyperpnea in the context of ventilation?
What is hyperpnea in the context of ventilation?
What is the minute ventilation (VE) in ventilation physiology?
What is the minute ventilation (VE) in ventilation physiology?
What is the primary reason for not taking a big breath every time during exercise?
What is the primary reason for not taking a big breath every time during exercise?
What is the function of 'ventilatory drift' in ventilation physiology?
What is the function of 'ventilatory drift' in ventilation physiology?
What is the typical oxygen concentration in room air?
What is the typical oxygen concentration in room air?
What does the anatomical dead space in ventilation physiology refer to?
What does the anatomical dead space in ventilation physiology refer to?
What is the formula for alveolar ventilation?
What is the formula for alveolar ventilation?
What does the SaO2% measure?
What does the SaO2% measure?
What causes the oxyhemoglobin dissociation curve to shift to the right?
What causes the oxyhemoglobin dissociation curve to shift to the right?
What is the function of the Haldane effect?
What is the function of the Haldane effect?
What is the primary function of the peripheral chemoreceptors?
What is the primary function of the peripheral chemoreceptors?
What is the Bohr effect related to?
What is the Bohr effect related to?
What does the a-vO2 (arterial venous oxygen) difference measure?
What does the a-vO2 (arterial venous oxygen) difference measure?
What is the primary source of H+ for the bicarbonate buffering system?
What is the primary source of H+ for the bicarbonate buffering system?
What is the main function of hyperpnea?
What is the main function of hyperpnea?
What is the effect of training on capillarization?
What is the effect of training on capillarization?
