A low ventilation-perfusion ratio of the lung will result in:
A) increased dead space.
B) shunting.
C) alveolar collapse.
D) bronchoconstriction.

Question

Quizplus · Accepted Answer

A low ventilation-perfusion ratio means that there is less air reaching the alveoli than there is blood flowing through the capillaries. This can lead to shunting, which is the passage of blood from the pulmonary artery to the pulmonary vein without passing through the capillaries and being oxygenated.

A Low Ventilation-Perfusion Ratio of the Lung Will Result In