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alveolar ventilation
2 (2.shunt flow (98% of blood that goes into
LA…
alveolar ventilation
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2.shunt flow
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It is a pathological condition that results when the alveoli of the lungs are perfused with blood as normal, but ventilation (the supply of air) fails to supply the perfused region.
pulmonary shunt refers to the passage of deoxygenated blood from the right side of the heart goes to the left without participation in gas exchange in the pulmonary capillaries
2% of the blood is that is shunted
past the gas exchage areas have a PO2
of normal systemic venus blood
about 40 mmHg
shunt blood+ oxygenated blood
(venous admixture of blood
causes the Po2 of blood
entering the left heart
& pumped into the aorta
to fall about
95mmHg
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- diffusion of o2 frm the
tissue fluid to tisssue cells
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