The Reversal Potential for the Nicotinic Acetylcholine Receptor Is About

question 28

Multiple Choice

The reversal potential for the nicotinic acetylcholine receptor is about -15 mV because it is determined by its selective permeability for

• A) sodium ions.
• B) potassium ions.
• C) sodium and potassium ions.
• D) sodium, calcium, and potassium ions.
• E) calcium ions.

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Definitions:

Radial Glial Cells

Specialized cells in the brain and spinal cord that serve as scaffolds for migrating neurons during development.

Oligodendrocytes

Specialized glial cells in the central nervous system that myelinate axons, providing insulation and increasing the speed of electrical impulses.

Astrocytes

Star-shaped glial cells in the brain and spinal cord, crucial for neuron function and repair.

Epithelial Cells

Cells that line the surfaces of the body, such as the skin, blood vessels, urinary tract, and organs.