Which of the Following Is/are True About the Relationship Between

question 25

Multiple Choice

Which of the following is/are true about the relationship between chloride (Cl^-) and bicarbonate HCO₃^- in acid-base balance?
1) For each Cl^- ion excreted into the urine, the blood gains an HCO₃^- ion.
2) Blood Cl^- and HCO₃^- ion levels are reciprocally related.
3) People with chronically high CO₂ tend to have low blood Cl^- levels.
4) Activation of the NH₃ buffer system enhances Cl^- gain and HCO₃ loss.

• A)2 and 3 only
• B)1, 2, and 3 only
• C)2 only
• D)2, 3, and 4 only

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