An Action Potential Is Propagated Down an Unmyelinated Neuron Plasma

question 186

Multiple Choice

An action potential is propagated down an unmyelinated neuron plasma membrane because the action potential stimulates certain voltage-gated channels adjacent to it. Which channels are they?

• A) Cl^- channels
• B) Ca²⁺ channels
• C) Mg⁺ channels
• D) Na⁺ channels

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Definitions:

Central Nervous System

The part of the nervous system consisting of the brain and spinal cord.

Experience-Expectant

Refers to brain growth and development that occurs in response to general environmental stimuli that are expected to be part of all human environments.

Neural Connections

describe the links between neurons in the brain or nervous system, facilitating the transmission of signals and the processing of information.

Neurotransmitters

Chemical substances that transmit signals across a synapse from one neuron to another in the nervous system.