Q. Regarding ventilation / perfusion (V/Q) relationships, which statement is INCORRECT? (Solved)
1. V/Q ratio is greatest at the lung apex
2. V/Q ratio is about one at level of third rib when upright
3. ventilation decreases proportionately more than perfusion from base to apex
4. V/Q ratio for whole lung at rest is about 0.8
5. exercise increases the V/Q ratio
- c. ventilation decreases proportionately more than perfusion from base to apex