View the animation below, then complete the quiz to test your knowledge of the concept.

1	Which of the following statements about the resting membrane potential is TRUE?
	A)	the exterior of the cell has a net negative charge and the interior has a net positive charge
	B)	the exterior of the cell has a net negative charge and the interior is neutral
	C)	the exterior of the cell has a net positive charge and the interior has a net negative charge
	D)	the exterior of the cell has a net positive charge and the interior is neutral
	E)	the exterior of the cell is neutral and the interior has a net negative charge
2	During depolarization, which of the following statements about voltage-gated ion channels is TRUE
	A)	K+ gates open before Na+ gates
	B)	Na+ gates open before K+ gates
	C)	Na+ and K+ gates open at the same time
	D)	Na+ gates open while K+ gates remain closed
	E)	K+ gates open while Na+ gates remain closed
3	Depolarization occurs because
	A)	more K+ diffuse into the cell than Na+ diffuse out of
	B)	more K+ diffuse out of the cell than Na+ diffuse into it
	C)	more Na+ diffuse into the cell than K+ diffuse out of it
	D)	more Na+ diffuse out of the cell than K+ diffuse into it
	E)	both Na+ and K+ diffuse into the cell
4	The sodium-potassium pump is involved in establishing the resting membrane potential.
	A)	True
	B)	False
5	The nerve impulse is an electrical current that travels along dendrites or axons.
	A)	True
	B)	False