Acid-base balance is critical to homeostasis and cellular function. One measurement of acid-base balance is the pH of the blood. Which ion is measured to determine the pH? A)Cl^- B)H⁺ C)Na⁺ D)HCO₃

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A)The pH measures the concentration of hydrogen ions (H⁺)in the body. Sodium (Na⁺)and chloride (Cl^-)concentrations are not related to pH. Bicarbonate (HCO₂)is a weak base that is used as a buffer to help maintain the proper pH, but it is not used to measure pH. B)The pH measures the concentration of hydrogen ions (H+)in the body. Sodium (Na⁺)and chloride (Cl^-)concentrations are not related to pH. Bicarbonate (HCO₂)is a weak base that is used as a buffer to help maintain the proper pH, but it is not used to measure pH. C)The pH measures the concentration of hydrogen ions (H+)in the body. Sodium (Na⁺)and chloride (Cl^-)concentrations are not related to pH. Bicarbonate (HCO₂)is a weak base that is used as a buffer to help maintain the proper pH, but it is not used to measure pH. D)The pH measures the concentration of hydrogen ions (H+)in the body. Sodium (Na⁺)and chloride (Cl^-)concentrations are not related to pH. Bicarbonate (HCO₂)is a weak base that is used as a buffer to help maintain the proper pH, but it is not used to measure pH.

Acid-Base Balance Is Critical to Homeostasis and Cellular Function