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

1	The primary neurotransmitter at the neuromuscular junction is
	A)	dopamine.
	B)	adrenaline.
	C)	acetylcholine.
	D)	histamine.
	E)	serotonin.
2	Arrange the following in the proper order in which they occur at the pre-synaptic side of a neuromuscular junction. 1. Calcium ions are released 2. Action potential arrives at the presynaptic terminal 3. Neurotransmitter is released
	A)	1, 2, 3
	B)	2, 1, 3
	C)	2, 3, 1
	D)	3, 2, 1
	E)	3, 1, 2
3	Arrange the following in the proper order in which they occur at the post-synaptic side of a neuromuscular junction. 1. Action potential is propagated over the muscle cell membrane 2. Depolarization of the post-synaptic membrane 3. Sodium ions move into muscle cell
	A)	1, 2, 3
	B)	2, 1, 3
	C)	2, 3, 1
	D)	3, 2, 1
	E)	3, 1, 2
4	The area between the pre-synaptic nerve cell and the post-synaptic muscle cell is termed the synaptic cleft.
	A)	True
	B)	False
5	Receptors that bind the neurotransmitter at the post-synaptic cell membrane are voltage-gated.
	A)	True
	B)	False