Which statement about chemical buffer systems is INCORRECT? A) Chemical buffer system minimizes changes in the pH of a solution when an acid or base is added to or removed from the solution. B) They can act within a fraction of a second to buffer changes in hydrogen ion concentration. C) The direction of chemical reaction in buffer systems acts according to the law of mass action. D) They promote H⁺ excretion by the kidneys when acidosis is present.

Question

Quizplus · Accepted Answer

Chemical buffer systems do not promote the excretion of H⁺ (which is likely a typo), but rather help to regulate the levels of hydrogen ions in the body fluids. The kidneys are responsible for regulating the levels of bicarbonate ions, which can help to buffer changes in pH.

Which Statement About Chemical Buffer Systems Is INCORRECT