What Is Occurring When Ion Channels for Sodium and Potassium

question 14

Multiple Choice

What is occurring when ion channels for sodium and potassium open and close in rapid succession,causing the neuron to depolarize and then repolarize?

• A)modal current
• B)action potential
• C)metabotropic activity
• D)tomography

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Definitions:

Hue

The dimension of visual experience specified by color names and related to the wavelength of light.

Intensity

The degree of strength, force, or energy of a stimulus or behavior.

Amplitude

The height or strength of a wave signal, which in the context of sound refers to its loudness and in light, its brightness.

Sound Wave

A wave of compression and rarefaction, by which sound is propagated in an elastic medium such as air.