Which Buffer Controls the PH of Blood

question 138

Multiple Choice

Which buffer controls the pH of blood?

• A)CH₃COOH and CH₃COO^-
• B)H₂CO₃ and HCO₃-
• C)NH₄⁺ and NH₃
• D)H₃PO₄ and H₂PO₄^-

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Definitions:

Synapse

The junction between two neurons or a neuron and a muscle, through which nerve impulses pass.

Otto Loewi

Otto Loewi was an Austrian-German pharmacologist who won the Nobel Prize for Medicine in 1936 for his discovery of the chemical transmission of nerve impulses.

Neurotransmitter

Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.

Receptors

Proteins found inside or on the cell surface that respond to specific chemical signals by initiating a cellular response.