Why Is It Important for Potassium Ions (K+) to Move

question 211

Multiple Choice

Why is it important for potassium ions (K+) to move out of the axon once an action potential has been fired?

• A) Because their continued presence would be damaging to the tissues of the axon
• B) So that the neuron will have the ability to generate another action potential
• C) Because of the required binding with potassium (K+) to activate the refractory period
• D) In order to create a more negative charge outside rather than inside the neuron

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