Respiratory Physiology overview
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| Oxygen is what percentage of dry air? | 21%
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| What is the site of internal respiration? | Mitochondria
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| What is the purpose of external respiration? | No maintain mitochondrial respiration with a continual supply of oxygen
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| Ventilation and circulation are controlled | Centrally
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| Po2 of air | 159mmHg
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| Po2 in alveoli | 100mmHg
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| Po2 in arteries | 96mmHg
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| Po2 in veins | 40mmHg
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| Po2 in cells | 20mmHg
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| Pco2 in air | 0mmHg
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| Pco2 in alveoli | 40mmHg
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| Pco2 in veins | 46mmHg
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| What is a partial pressure? | Pressure that a gas would exert if it occupied the total volume of the mixture in the absence of other components
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| Ph2o at 37 degrees | 47 mmHg
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| What is the role of hemoglobin? | To drastically increase the amount of Oxygen in the blood
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| Equation for Po2 in moist inspired air | (Barometric pressure-47) x .2093
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Created by:
mcasto
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