Which Statement Is Incorrect About a Chemical Buffer

question 59

Multiple Choice

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.

---

Definitions:

Celiac Trunk

A major artery that supplies blood to the stomach, spleen, liver, and other parts of the abdomen.

Lumen

The internal space or cavity of a tubular structure, such as a blood vessel or the intestine.

Tunica Adventitia

The tunica adventitia is the outermost layer of a blood vessel, consisting of connective tissue, that provides structural support and protection.

External Elastic Lamina

The outermost layer of elastic tissue found in the walls of arteries, contributing to the elasticity and strength of the blood vessels.