Understanding Action Potentials
Practice Questions
High School Biology › Understanding Action Potentials
Questions
8
1
What are action potentials?
2
Once an action potential arrives at the synaptic bud, what kind of ion channels open?
3
What is the name of the process that results in a positive voltage inside the neuron?
4
Which structure of the neuron is myelinated to promote propogation of the action potential?
5
What causes the hyperpolarization during an action potential?
6
An action potential is generally driven by the movement of which two ions?
7
Consider a neuron with a resting membrane potential of 
Which of the following membrane potential values is likely to be the membrane potential of this neuron during its refractory period?
8
How does the sodium-potassium pump establish a resting potential in neurons?