The Absolute Refractory Period of an Action Potential

question 149

Multiple Choice

The absolute refractory period of an action potential

• A) only ensures one-way travel down an axon.
• B) only allows a neuron to ignore a second signal sent that closely follows the first.
• C) only prevents summation of action potentials.
• D) ensures one-way travel down an axon and allows a neuron to ignore a second signal sent that closely follows the first.
• E) ensures one-way travel down an axon, allows a neuron to ignore a second signal sent that closely follows the first, and prevents summation of action potentials.

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