Questions and Answers
What happens to alveolar ventilation during incremental exercise?
It remains constant but increases the gradient at ~80% intensity of max to get oxygen into blood
What happens to oxygen levels in muscle during incremental exercise?
Oxygen levels plateau around ~50% O2 extraction from blood
What is the definition of Exercise-induced arterial hypoxemia (EIAH)?
Condition when O2 carried in arterial blood is severely reduced (by 10 mm Hg PaO2 or 4% SaO2)
What happens to venous blood saturation as workload increases during incremental exercise?
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What happens to arterial CO2 levels at higher intensity exercise?
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What is the atmospheric pressure at sea level in mm Hg?
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What is the oxygen content in the room at sea level in mm Hg?
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What happens to mean capillary and Mb(myoglobular) O2 levels at maximal exercise compared to rest?
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Why does oxygen not go to 0 during its travel from atmosphere to mitochondria?
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