A Neuron Receives a Stimulation That Causes Cl- Channels to Open

question 94

Multiple Choice

A neuron receives a stimulation that causes Cl- channels to open, resulting in a hyperpolarization of the neuronal membrane. This situation is an example of a(n)

• A)facilitated potential.
• B)divergence.
• C)excitatory postsynaptic potential.
• D) inhibitory postsynaptic potential.

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Definitions:

Cross Section

A diagram representing the geology as a two-dimensional slice through the land. See also geologic cross section.

Cleaved Rocks

Rocks that have been split or sliced along very smooth, flat surfaces, often due to intense pressure.

Unconformity

A boundary between underlying and overlying rock strata representing a significant break or gap in the geologic record; an unconformity represents an interval of nondeposition or erosion, commonly accompanied by uplift.

Intrusive Contact

The boundary between intrusive igneous rocks and the surrounding country rock into which they have intruded.