Ventilation-Perfusion Relationships
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each of the black spaces below before clicking
on it to display the answer.
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| show | 4/Lmin
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| show | 5/Lmin
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| show | 4:5 or 0.8
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| In the normal individual in the upright position, the V/Q ration in the upper lung is | show 🗑
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| In the normal individual in the upright position, the V/Q ratio in the lower lung region is | show 🗑
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| show | decreases from top to bottom
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| The PAo2 is determined by the balance between | show 🗑
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| show | The amount of carbon dioxide that diffuses into the alveoli from the capillary blood and it's removal from the alveoli by means of ventilation.
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| An increase V/Q ratio can develp from either | show 🗑
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| When the V/Q ratio increases the PAo2 _______ and the PAco2 _______ | show 🗑
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| show | diffuse into the blood as fast as it enters (or is ventilated) into the alveolus
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| the PAco2 decreases because it is | show 🗑
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| In the upright lung, an increased V/Q ratio is found in the | show 🗑
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| show | a decrease in ventilation or an increase in perfusion
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| show | PAo2 falls and PAco2 rises
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| The PAo2 decrease because it moves | show 🗑
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| show | out of the capillary blood & into the alveolus faster than it is washed out of the alveolus
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| In the upright lung, a decreased V/Q ratio is found in the | show 🗑
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| internal respiration is defined as | show 🗑
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| Under normal circumstances, about ___mL of oxygen are consumed by the tissue cells in 1 minute. | show 🗑
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| Normally the tissue cells produce about ____ mL of carbon dioxide produced (Vco2) | show 🗑
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| respiratory quotient is defined as the | show 🗑
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| The respiratory quotient is expressed as | show 🗑
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| show | gas exchange between the pulmonary capillaries & the alveoli
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| show | quantity of O2 &CO2 exchanged during a period of 1 minute
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| show | pulmonary emboli
partial or complete obstruction
extrinsic pressure on the pulmonary vessels
destruction of pulmonary vessels
decreased cardiac output
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| pulmonary disorders that decrease v/q ratio | show 🗑
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Created by:
chanadine