Which of These Statements Correctly Describes Chemical Buffer Systems

question 233

Multiple Choice

Which of these statements correctly describes chemical buffer systems?

• A)They respond in one to three minutes to changes in hydrogen ion concentration.
• B)They stimulate the respiratory centre when acidosis is present.
• C) They promote H⁺ excretion by the kidneys when acidosis is present.
• D) They respond to changes in acid or base levels.

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Definitions:

Percentile

A value below which a given percentage of observations in a group of observations falls, used to understand and interpret data distributions.

Normal Curve

The normal curve, or the bell curve, represents the graphical depiction of a normal distribution with a symmetric shape where most outcomes cluster around the mean.

Standard Deviation

A measurement indicating the range of separation or variance among a set of data.

Mean

The arithmetic average of a set of numbers, calculated by adding all the numbers and dividing by the count.