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13 Cards in this Set
- Front
- Back
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CO2 diffuses ___ x faster than ____:
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20 x faster than oxygen
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Blood normally takes _____ sec. To pass through the _____ ______:
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0.75 seconds to pass through the Pulmonary capillary
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Blood cells pass through the pulmonary capillary:
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Single file
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Conditions that limit diffusion time because of increased blood flow:
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Fever, septic shock
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CO (carbon monoxide) diffuses:
____ x greater than oxygen: |
200 x
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The partial pressure gradients in the tissues are the opposite of those in the:
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lungs
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Normal variations from ideal gas exchange: (two factors)
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1. Right to left shunts in the pulmonary and cardiac circulation
2. Regional differences in pulmonary ventilation and bloodflow (gravity in the upright position) |
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Anatomical shunts: (2)
(two right to left anatomical shunts exist in the normal human being): |
1. The bronchial venous drainage.
2. The thebesian venous drainage |
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The _____ side of the heart is deoxygenated:
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Right
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Shunted blood is:
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Deoxygenated
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The top portion of the heart:
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Atrium
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The bottom portion of the heart:
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Ventricle
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____ % of A-a gradient is a result of anatomical shunts:
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75%
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