Which Statement Concerning Chemical Buffer Systems Is Correct

question 38

Multiple Choice

Which statement concerning chemical buffer systems is correct?

• A) They respond in one to three minutes to changes in hydrogen ion concentration.
• B) They stimulate the respiratory centre when acidosis is present.
• C) They promote H⁺ excretion by the kidneys when acidosis is present.
• D) They buffer changes in acid or base levels.

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