Which Statement Is True About the Absolute Refractory Period

question 155

Multiple Choice

Which statement is true about the absolute refractory period?

• A)It ensures that action potentials move in only one direction along a nerve fiber.
• B)It is the period when the membrane can undergo another action potential, but only if the stimulus is strong enough.
• C)It is the time during an action potential when voltage-gated Na+ channels are in their "closed but capable of opening" conformation.
• D)places a lower limit on the frequency with which a neuron can conduct action potentials.
• E)All of the above statements are true.

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