A chemical that minimizes changes in the pH of a body fluid by releasing or bindig hydrogen ion is called a ______.
A) alkali
B) electrolyte
C) compensation
D) acid
E) buffer

Buffers may be defined as the solution of a weak acid with ithe conjugate base or a weak base with the conjugate acid. Buffers are not affected by the the additions of strong acid or base in a solution.

Whenever a strong base or acid is added to the buffer, it may release or binds with the hydrogen ion and maintains the pH of a body fluid. Blood has a buffer of carbonate ions and bicarbonic acids that maintains the blood pH.

Thus, the correct answer is option (E).

A chemical that minimizes changes in the pH of a body fluid by releasing or bindig hydrogen ion is called a ______. A) alkali B) electrolyte C) compensation D) acid E) buffer

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A chemical that minimizes changes in the pH of a body fluid by releasing or bindig hydrogen ion is called a ______.
A) alkali
B) electrolyte
C) compensation
D) acid
E) buffer