Which Describes the Response of the Voltage-Gated Channels When an Axon

question 98

Multiple Choice

Which describes the response of the voltage-gated channels when an axon is stimulated to threshold?

• A) K⁺ channels open before the Na⁺ channels.
• B) Na⁺ channels are activated and then inactivated.
• C) K⁺ channels open at the same time as the Na⁺ channels.
• D) K⁺ channels are opened when Na⁺ binds to the channel.
• E) K⁺ influx causes Na⁺ channels to inactivate.

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