Which statement is incorrect about a chemical buffer?
A) It consists of a pair of substances involved in a reversible reaction, one that can yield free H+ and one that can bind with free H+.
B) It minimizes changes in the pH of a solution when an acid or base is added to or removed from the solution.
C) It responds to pH changes in about three minutes, but then can be very effective in preventing dramatic pH changes.
D) It cannot actually remove hydrogen ions from the body.
E) It acts according to the law of mass action.
Correct Answer:
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Q61: If [HCO₃⁻]/[CO₂] is 20/2, what is occurring?
A)uncompensated
Q62: Select the primary buffer system in the
Q63: A patient with lung congestion would
A)have higher
Q64: An increased secretion of H⁺ ions in
Q65: Which of the following symptoms is not
Q67: When the concentration of H⁺ increases above
Q68: Chemical buffer systems
A)respond in one to three
Q69: Chemical buffer systems
A)can act within a fraction
Q70: Which statement is incorrect?
A)Respiratory rate and depth
Q71: Which of the following is associated with
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