Which of the following statements is TRUE regarding the chloride shift at the level of tissue capillaries?
a. Hydrogen ions are bound by oxyhemoglobin, which decreases its affinity for oxygen.
b. A RBC symport is responsible for the movement of chloride.
C. Bicarbonate is brought back into red blood cells in exchange for chloride exiting.
d. Carbonic acid binds hydrogen with the help of carbonic anhydrase.
Answer: C. Bicarbonate is brought back into red blood cells in exchange for chloride exiting.
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