#ActiQuiz
<li>	An action potential moves along a(n)
	myelin sheath.
	axon.	X
	dendrite.
	synapse.
	cell body.
		ch48/axon.html
#QuizOnly
<li>	Repolarization along the axon of a neuron occurs as
	Na<sup>+</sup> ions flow in.	X
	Na<sup>+</sup> ions flow out.
	K<sup>+</sup> ions flow out.
	K<sup>+</sup> ions flow in.
	all of the above.
		ch48/axon.html