A Patient Is Hyperventilating

question 105

Multiple Choice

A patient is hyperventilating. The "blowing off" of excessive carbon dioxide causes a decrease in blood H+ concentration. How can the carbonic acid-bicarbonate buffer system function to correct this imbalance? CO₂ + H₂O -H₂CO₃ -H+ + HCO₃-

• A) HCO₃- binds with H+ to form H₂CO₃ and lower pH
• B) H₂CO₃ dissociates to form more H+ and raise pH
• C) H₂CO₃ dissociates to form more H+ and lower pH
• D) HCO₃- binds with H+ to form H₂CO₃ and raise pH

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