A Change in the Resting Potential from -70 MV to -65

question 107

Multiple Choice

A change in the resting potential from -70 mV to -65 mV is called:

• A)depolarization.
• B)hyperpolarization.
• C)graded excitatory potential.
• D)nothing, as these changes occur spontaneously.

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Definitions:

Occipital Bone

The trapezoidal-shaped bone at the lower back part of the skull, forming the back and base of the cranium and containing the foramen magnum.

Parietal Bone

One of two bones forming the sides and roof of the cranium.

Temporal Bone

A pair of bones forming part of the side of the skull, housing structures of the ear and contributing to the cranial cavity's protection.

Ethmoid Bone

A spongy bone located between the eyes that contributes to the medial walls of the orbits, the roof of the nasal cavity, and the nasal septum.