What change would increase the rate of oxygen diffusing from lung alveoli into the blood?
A)An increase in the hemoglobin concentration of the red blood cells
B)A decrease in the partial pressure of oxygen in the alveoli
C)An increase in the partial pressure of oxygen in the blood entering the lungs
D)A decrease in the pH of the blood entering the lungs
E)An increase in the humidity of air in the lungs

Question

Quizplus · Accepted Answer

An increase in the hemoglobin concentration of the red blood cells would increase the rate of oxygen diffusing from lung alveoli into the blood because hemoglobin binds oxygen, thus maintaining a gradient for oxygen to continue diffusing from the alveoli into the blood.

What Change Would Increase the Rate of Oxygen Diffusing from Lung