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10 Cards in this Set
- Front
- Back
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What is the percentage and partial pressure of Nitrogen in the atm?
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78.08%
593 mmHg |
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What is the percentage and partial pressure of O2 in the atm?
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20.95%
159 mmHg |
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What is the percentage and partial pressure of Argon in the atm?
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.93%
7 mmHg |
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What is the percentage and partial pressure of CO2 in the atm?
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.03%
.2 mmHg |
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State Dalton's Law.
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The total pressure of a gas mixture is equal to the sum of the partial pressures of each seperate gas in that mixture.
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State the alveolar air equation.
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PAO2=[PB-PHO2]FIO2-PaCO2(1.25)
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What is the alveolar air equation used to calculate?
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the alveolar O2 tension (PAO2)
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In the alveolar air equation, what does PH2O mean?
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partial pressure of water vapor in the alveoli. this number is always 47
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In the alveolar air equation, what does FIO2 mean?
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amount of O2 a person is breathing. Normal air is 21% O2 and is expresses as .21
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What pathological condition indicates the use of the alveolar gas equation?
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Diffusion problems
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