Describe the carbonic acid-bicarbonate buffer system
A) The carbonic acid-bicarbonate buffer system uses the hydrogen ions created by the metabolic and fixed acids to generate carbonic acid which dissociates into H2O and CO2, which can be eliminated by the lungs.
B) The carbonic acid-bicarbonate buffer system uses hemoglobin to buffer hydrogen ions.
C) The carbonic acid-bicarbonate buffer system uses the side group, the amino group, and the carboxylate group of amino acids to buffer pH changes.
D) The carbonic acid-bicarbonate buffer system uses the kidneys to secrete or excrete bicarbonate to buffer pH.
E) The carbonic acid-bicarbonate buffer system uses the lungs to exhale CO2 to buffer pH.
Answer: A
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