The Signal Intensity Is Encoded by Which Property of the Action

question 23

Multiple Choice

The signal intensity is encoded by which property of the action potential?

• A) Amplitude
• B) Duration
• C) Delay time
• D) Frequency
• E) Number

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Definitions:

Neurotransmitters

Chemical substances released at the end of a nerve fiber by the arrival of a nerve impulse, facilitating the transmission of impulses across synapses to another nerve, muscle, or gland.

Synapse

(SIN-aps) The junction where the axon terminal of a sending neuron communicates with a receiving neuron across the synaptic cleft.

Resting Potential

The slight negative electrical potential of the axon membrane of a neuron at rest, about –70 millivolts.

At Rest

A state where an object or individual is not in motion, or is experiencing mental or physical tranquility.