Regarding ventilation / perfusion (V/Q) relationships, which statement is INCORRECT?

Question

TuteeHUB · Accepted Answer

V/Q ratio for whole lung at rest is about 0.8

TuteeHUB · Answer

V/Q ratio is greatest at the lung apex

TuteeHUB · Answer

V/Q ratio is about one at level of third rib when upright

TuteeHUB · Answer

ventilation decreases proportionately more than perfusion from base to apex

TuteeHUB · Answer

exercise increases the V/Q ratio

1.	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» D. V/Q ratio for whole lung at rest is about 0.8

Discussion