Physiology - Action potential Quiz

What is the insulating membrane that surrounds parts of the axon that helps to protect & propagate action potential
Axon
Node of Ranvier
Dendrites
Myelin Sheath
a junction at which a neuron meets another cell
axon
myelin sheath
synapse
dendrites
The sodium-potassium pump....
Exchanges (K+) & (Na+) during hyperpolarization
Exchanges (K+) & (Na+) during depolarization
Sends (Na+) into the cell
Sends (K+) into the cell
At what stage are both ions present in large concentrations INSIDE the neuron?
Repolarization
Resting Potential
Depolarizarion
Hyperpolarization
When a neuron is at REST
the inside of the neuron is negatively charged compared to the outside.
the inside of the neuron is positively charged compared to the outside.
there is no charge difference established
none of these is true
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