Pulmonary Edema Describes a Condition Where the Uptake of Oxygen

Pulmonary edema describes a condition where the uptake of oxygen and unloading of carbon dioxide is reduced as a consequence of a(n)

A) decrease in the partial pressure of oxygen in the alveolus.
B) thickening of the diffusion barrier by fluid accumulation in the alveoli.
C) increase in the partial pressure of oxygen in the blood.
D) thickening of the diffusion barrier by fluid accumulation in the pulmonary blood.
E) decrease in the partial pressure of carbon dioxide in the alveolus.