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Surgical removal of one lung reduces the A. FEV1 by about 10 per cent. B. Percentage saturation of arterial blood with oxygen. C. Exercise tolerance. D. Residual volume. E. Ventilation/perfusion ratio by about 50 per cent. |
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Answer» A. False It reduces it by at least half. B. False A single lung can maintain normal oxygenation at rest. C. True Maximum ventilation and maximum oxygen uptake are reduced. D. True It leads to a restrictive lung disease pattern. E. False The ratio is little affected. |
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