Compensation for respiratory acidosis occurs through which of the following?
a. Decrease in blood CO2 levels
b. Decrease in blood HCO3– levels
c. Increase in blood CO2 levels
d. Increase in blood HCO3– levels
ANS: D
For example, in hypoventilation (respiratory acidosis), the kidneys restore the pH toward normal by reabsorbing HCO3– into the blood.
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