Each Voltage-Gated Na⁺ Channel Has Two Voltage Sensitive Gates: an Activation

question 62

Multiple Choice

Each voltage-gated Na⁺ channel has two voltage sensitive gates: an activation gate and an inactivation gate. Which of the following would occur during depolarization?

• A) Activation gates are open; inactivation gates are closed.
• B) Activation gates are closed; inactivation gates are open.
• C) Both activation and inactivation gates are open.
• D) Both activation and inactivation gates are closed.
• E) None of the choices are correct.

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