How Does a Neuron Maintain an Electric Potential Difference Across

question 49

Multiple Choice

How does a neuron maintain an electric potential difference across its membrane?

• A)Neurons pump potassium ions across the cell membrane.
• B)Neurons activate the synaptic terminals by means of an impulse phase which reverses the electric potential.
• C)Neurons eject sodium ions from their inner hollow channels priming itself for an impulse.
• D)Neurons rely on the synaptic terminals to supply the electric potential.

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