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Animation: Function of the Neuromuscular Junction (Quiz 3)
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View the animation below, then complete the quiz to test your knowledge of the concept.






1The primary neurotransmitter at the neuromuscular junction is
A)dopamine.
B)adrenaline.
C)acetylcholine.
D)histamine.
E)serotonin.



2Arrange 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



3Arrange 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



4The area between the pre-synaptic nerve cell and the post-synaptic muscle cell is termed the synaptic cleft.
A)True
B)False



5Receptors that bind the neurotransmitter at the post-synaptic cell membrane are voltage-gated.
A)True
B)False







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