Which of causes the depolarization of neuron membranes

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Reference no: EM133543256

Assignment:

In the context of the neural impulse, which of the following causes the depolarization of neuron membranes?

Multiple Choice

Potassium channels open, and potassium ions flow out of the neuron.
The outside of the neuron becomes positively charged because of the excess of chlorine ions.
The inside of the neuron becomes negatively charged because of the excess of calcium ions.
Sodium gates open, and sodium ions flow into the neuron.

Reference no: EM133543256

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