Which Statement Concerning Chemical Buffer Systems Is Correct

question 204

Multiple Choice

Which statement concerning chemical buffer systems is correct?

• A) They can act within a fraction of a second to buffer changes in [H⁺].
• B) They are the only mechanism available for regulating changes in [H⁺] within the body.
• C) They actually eliminate acid from the body.
• D) They actually eliminate bicarbonate from the body.

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Definitions:

Upwellings

The rising of deep, cold, and nutrient-rich water to the surface, fostering significant biological productivity.

Thunderhead

A large, towering cumulonimbus cloud associated with thunderstorms and severe weather conditions.

Cold Front

A leading edge of a cooler mass of air, replacing (at ground level) a warmer mass of air, which can lead to dramatic changes in weather conditions.

Rain Shadow Effect

A climatic phenomenon where a mountain range causes precipitation on one side, creating a dry area on the leeward side due to the blocking of rain-producing weather systems.