What Limits the Maximum Number of Action Potentials on an Axon

question 91

Multiple Choice

What limits the maximum number of action potentials on an axon?

• A)the absolute refractory period
• B)the diameter of the axon
• C)the relative refractory period
• D)the concentration of sodium within the cytoplasm of the cell
• E)whether the axon is myelinated or not

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Definitions:

Acetylcholine

Acetylcholine is a neurotransmitter in both the central and peripheral nervous systems, involved in muscle activation, learning, and memory.

Nicotine

An addictive chemical found in tobacco products that stimulates the brain and enhances feelings of pleasure and arousal.

Monoamine

A category of neurotransmitter that includes serotonin, dopamine, and norepinephrine, which play key roles in regulating mood, arousal, and cognition.

Acetylcholine

A neurotransmitter important for brain and muscle function, involved in arousal, attention, memory, and motivation.