Which one of the following conditions must be met for carbon dioxide to be moved from the cell to the bloodstream?

Question

Quizplus · Accepted Answer

The movement of carbon dioxide from cells to the bloodstream occurs via diffusion. This means that carbon dioxide will move from a region of high concentration to a region of low concentration. Therefore, for carbon dioxide to be moved from the cell to the bloodstream, the concentration of carbon dioxide in the blood must be lower than the concentration in the cells. This is why choice A is the correct answer.

The sodium/potassium pump (Choice B) is important for the maintenance of the resting membrane potential in cells and does not directly affect the movement of carbon dioxide. Similarly, the presence of a high amount of oxygen in the blood (Choice C) may facilitate the diffusion of oxygen into cells but does not directly affect the movement of carbon dioxide out of cells. Finally, the number of red blood cells in the blood (Choice D) may affect the amount of oxygen that can be transported throughout the body but does not directly affect the movement of carbon dioxide out of cells.

Which One of the Following Conditions Must Be Met for Carbon