Which of the Following Statements Are True of Dissolved CO₂

question 9

Multiple Choice

Which of the following statements are true of dissolved CO₂?
I.The rate of reaction between CO₂ and H₂O in the plasma is quite slow.
II.The amount of CO₂ carried as H₂CO₃ in the plasma is quite small.
III.The amount of H₂CO₃ in the plasma is a major determinant of the blood's H⁺ concentration (pH) .
IV.The amount of H₂CO₃ in the plasma is not an important determinant of the blood's H⁺ concentration (pH) .

• A) II, III, IV
• B) I, II, III, IV
• C) II, IV
• D) I, II, III

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