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10 Cards in this Set
- Front
- Back
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Pulmonary ventilation |
Movement of air from the atmosphere to the exchange surface at the alveoli of the lungs and back out. GASES ALWAYS MOVE FROM AREA OF HIGH TO LOW PRESSURE |
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Inhalation |
For _____ vol. of lungs increases, decreasing pressure of air in the lungs below atmospheric pressure |
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Exhalation |
For _____ the volume of lungs decreases. Pressure of gas in lungs will increase above atmospheric pressure and force the gases out of lungs. |
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To prevent lungs from collapsing |
Why is intrapleural pressure always lower than intrapulmonic pressure? |
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The lungs would collapse |
What would happen if intrapleural pressure was greater than intrapulmonic pressure? |
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Pneumothorax |
What clinical condition causes the lungs to collapse? |
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External respiration |
_____ _____ is the exchange of gases between the atmosphere and blood. It results in converting of deoxygenated blood to oxygenated blood. |
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Internal respiration |
_____ _____ is the exchange of gases between the blood and tissues/interstitial fluids. Conversion of oxygenated blood to deoxygenated blood |
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3%; 97%; hemoglobin |
Oxygen is transported in two ways only _____% of O2 is transported while dissolved in plasma. ____% of O2 is transported by blood that is bound to hemoglobin. ________ is a protein found in RBC's that binds O2 and CO2 during transport. (Hb) |
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7;23;70 |
Carbon dioxide is transported in 3 ways: 1) ___%of CO2 is transported while dissolved in plasma 2) ___% of CO2 is transported bound to Hb as carbaminohemoglobin (HbCO2) 3) ___% of CO2 is transported in plasma as bicarbonate ions (HbCO3) |
