The Depolarizing Phase of a Nerve Impulse Is Caused by A

question 11

Multiple Choice

The depolarizing phase of a nerve impulse is caused by a:

• A)Rush of sodium ions (Na⁺ ) into the neuron
• B)Rush of Na out of the neuron
• C)Rush of potassium ions (K⁺ ) into the neuron
• D)Rush of K⁺ out of the neuron
• E)Pumping of K⁺ into the neuron

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