Question

A chemical that minimizes changes in the pH of a body fluid by releasing or bindig hydrogen ion is called a ______.

Answer 1

Answer:

Buffer

Explanation:

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).