Which of the Following Is Responsible for the Falling Phase

question 179

Multiple Choice

Which of the following is responsible for the falling phase of an action potential

• A)opening of Na⁺ gates
• B)Na⁺-K⁺ pump restoring the ions to their original locations
• C)greatly increased permeability to Na⁺
• D)opening of K⁺ gates and K⁺ efflux

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