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16 Cards in this Set
- Front
- Back
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Overall normal alveolar ventilation |
41/m |
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Overall normal pulmonary capillary function blood flow |
51/m |
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VA/QT ratio |
4/5 or .8 |
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Gravity cause blood to flow to |
the bottom of the lung |
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West said Alveolar pressure is the ________ in zone 1 and ______ in zone 3 |
highest...lowest |
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Draw the west 3 zone |
PA>Pa>Pv Pa>PA>Pv Pa>Pv>PA |
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Normal PAO2 and PACO2 values |
100 mmHg...40 mmHg |
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Changing V/Q ratios alters |
PAO2 and CO2 levels |
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Increasing the V/Q ratio |
causes a raise in PAO2 and a fall in PACO2 |
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Decreasing the V/Q ratio |
causes a fall in PAO2 and a raise in PACO2 |
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Mixed venous blood is found in the ________ artery |
pulmonary |
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RQ= VCO2/VO2 Respiratory Rate= Predicted CO2 consumption rate/ Predicted O2 consumption rate |
(200 mlCO2/min)/(250 mlO2/min)=0.8 |
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Deadspace |
is ventilation without perfusion |
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Shunt |
is perfusion without ventilation |
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Deadspace ventilation |
causes PE, Partial or complete obstruction of pulmonary artery or arterioles, Extrinsic pressure on pulmonary veins, destruction of pulmonary vessels, decreased cardiac output |
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Increase in shunted blood |
causes COPD, Restrictive lung disease, Hypoventilation |
