The Total Amount of Neurotransmitter Released During an Action Potential

question 19

Multiple Choice

The total amount of neurotransmitter released during an action potential depends on

• A) how much sodium enters the terminal button.
• B) how much calcium is ejected from the terminal button.
• C) regulatory proteins that contain the neurotransmitter substance.
• D) how much calcium enters the terminal button.

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Definitions:

K

The symbol for potassium, a chemical element of atomic number 19, essential for living organisms.

[HCO3-]

The chemical formula for bicarbonate, an anion involved in the buffering of pH in biological systems.

K

A symbol for potassium, a metallic chemical element with the atomic number 19, essential for various biological processes.

[H+]

The concentration of hydrogen ions in a solution, often used to measure the acidity or basicity of a solution.