An Increase in PCO₂ in the Blood Results in the Formation

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