The Absolute Refractory Period

question 147

Multiple Choice

The absolute refractory period

• A) prevents action potentials from spreading forward and backward
• B) refers to a period when the membrane cannot undergo another action potential
• C) is the time when channels opened during the action potential have not been restored to their "closed but capable of opening" conformation
• D) places an upper limit on the frequency with which a neuron can conduct action potentials
• E) refers to a period when the membrane cannot undergo another action potential and places an upper limit on the frequency with which a neuron can conduct action potentials

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