Flashcard Set Preview
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| 1 |
Where is there more ventilation? At the base or the Apex of the lung?
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Base
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| 2 |
Intrapleural pressure is more negative.
Apex or Base
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Apex
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| 3 |
Greater transmural pressure gradient.
Apex or Base
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Apex
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| 4 |
Alveoli are larger, and less compliant.
Apex or Base
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Apex
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| 5 |
Less Ventilation.
Apex or Base
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Apex
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| 6 |
Intrapleural pressure is less negative.
Apex or Base
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Base
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| 7 |
Smaller transmural pressure gradient.
Apex or Base
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Base
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| 8 |
Alveoli are smaller, and more compliant.
Apex or Base
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Base
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| 9 |
More Ventilation.
Apex or Base
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Base
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| 10 |
The Nitrogen Washout test is measured during inspiration or expiration
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Expiration
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| 11 |
What does the nitrogen washout test measure?
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Regional Ventilation
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| 12 |
What does Phase I of the Nitrogen Washout test show?
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Not much nitrogen, mainly oxygen from deadspace
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| 13 |
What does phase II of the Nitrogen Washout test show?
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increasing nitrogen and decreasing oxygen from deadspace
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| 14 |
What does phase III of the Nitrogen washout test show?
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Nitrogen from alveolar gas @ the base of the lungs
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| 15 |
What does phase IV of the Nitrogen washout test show?
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Rapidly increasing percentage of nitrogen
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