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| Q. |
Regarding ventilation / perfusion (V/Q) relationships, which statement is INCORRECT? |
| A. | V/Q ratio is greatest at the lung apex |
| B. | V/Q ratio is about one at level of third rib when upright |
| C. | ventilation decreases proportionately more than perfusion from base to apex |
| D. | V/Q ratio for whole lung at rest is about 0.8 |
| E. | exercise increases the V/Q ratio |
| Answer» C. ventilation decreases proportionately more than perfusion from base to apex | |
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