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Questions and Answers
What is the main stimulus for alveolar ventilation during exercise?
What is the main stimulus for alveolar ventilation during exercise?
- PCO2 (correct)
- Plasma epinephrine
- Body temperature
- H+
At what level does the oxygen-hemoglobin dissociation curve significantly decrease ventilation?
At what level does the oxygen-hemoglobin dissociation curve significantly decrease ventilation?
- PO2 below 60mmHg (correct)
- PO2 above 100mmHg
- PO2 below 40mmHg
- PO2 above 80mmHg
What is the deficiency of oxygen at the tissue level known as?
What is the deficiency of oxygen at the tissue level known as?
- Hypoxemia
- Hypoxia (correct)
- Anoxia
- Hyperoxia
Which chemical input stimulates ventilation during exercise?
Which chemical input stimulates ventilation during exercise?
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What is the main type of hypoxia related to arterial %?
What is the main type of hypoxia related to arterial %?
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Peripheral chemoreceptors for respiration are located in the Carotid and Aortic Bodies
Peripheral chemoreceptors for respiration are located in the Carotid and Aortic Bodies
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The oxygen-hemoglobin dissociation curve significantly decreases ventilation when PO2 drops below 60mmHg
The oxygen-hemoglobin dissociation curve significantly decreases ventilation when PO2 drops below 60mmHg
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Central chemoreceptors are primarily sensitive to H+ concentration
Central chemoreceptors are primarily sensitive to H+ concentration
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Anemic hypoxia is caused by a deficiency of oxygen at the tissue level
Anemic hypoxia is caused by a deficiency of oxygen at the tissue level
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Plasma K+ is one of the major chemical inputs that stimulate ventilation
Plasma K+ is one of the major chemical inputs that stimulate ventilation
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