What causes an action potential to take place in a nerve cell?

Multiple choice question for Introduction to Psychology. Select an option, then review the explanation below.

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The inside of the neuron becomes positively charged.The inside of the neuron becomes negatively charged.Potassium ions move into the neuron.Sodium ions exit the neuron.

Explanation

An action potential occurs when sodium ions flow out of the neuron, leading to changes in the electrical charge across the cell membrane.

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What causes an action potential to take place in a nerve cell?

Explanation

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