An Increase in PCO₂ in the Blood Results in the Formation

question 3

Multiple Choice

An increase in PCO₂ in the blood results in the formation of bicarbonate in the red blood cell.Because bicarbonate carries a negative charge (anion) ,the removal of negatively charged molecule from the red blood cell is required to prevent an electrochemical imbalance across the cell membrane.This problem is avoided by

• A)movement of sodium molecules out of the red blood cell.
• B)movement of chloride molecules out of the red blood cell.
• C)movement of chloride molecules into the red blood cell.
• D)both A and C are correct

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