A Carbonic Acid (H₂CO₃) and Bicarbonate (HCO₃^-) Forms a Buffer

question 33

Multiple Choice

A carbonic acid (H₂CO₃) and bicarbonate (HCO₃^-) forms a buffer in the blood stream. Excess acid in the blood stream causes the

• A) pH to rise dramatically.
• B) carbonic acid to be consumed with very little change in pH.
• C) bicarbonate to be consumed with very little change in pH.
• D) pH to drop dramatically.

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Definitions:

Polygenic

Pertaining to a trait or characteristic that is influenced by several genes rather than a single gene.

Genes

The basic physical and functional units of heredity, made up of DNA, that determine the characteristics and traits of organisms.

Genotype

The genetic constitution of an individual organism, comprising all the hereditary information.

Conception

The process of the sperm fertilizing the ovum, resulting in the formation of a zygote, the earliest developmental stage of the embryo.