5 Questions
During which period can another action potential not be generated?
Absolute refractory period
Which cell type provides support for neurons and maintains the blood-brain barrier?
Astrocyte
What is the function of the autonomic nervous system (ANS)?
To coordinate control of cardiac and smooth muscle
What is an action potential?
A change in voltage of a cell membrane in response to a stimulus
What opens when the membrane voltage reaches threshold in a voltage-gated Na+ channel?
Activation gate
Test your knowledge on the absolute refractory period, action potential, and voltage-gated Na+ channels in this quiz. Challenge yourself with questions about the time when another action potential cannot be generated, the change in voltage of a cell membrane, and the activation gate of the Na+ channel.
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