Neuromuscular Junction

Question 1

First step

Answer 1

Action potential travels down the axon

Question 2

An influx of _______ at the terminal end of the axon triggers ____________

Answer 2

Calcium, acetylcholine exocytosis

Question 3

Acetylcholine is released from vesicles via _________

Answer 3

Exocytosis

Question 4

________ diffuses across the synaptic ______ and binds to acetylcholine receptors which contain _____________

Answer 4

Acetylcholine, cleft, ligand-gated cation channels

Question 5

Sodium ions enter the muscle fiber and

Answer 5

potassium exits the muscle fiber.

Question 6

Calcium is stored in the ___________

Answer 6

Sarcoplasmic Reticulum

Question 7

Neuromuscular junction is where the _________ meets the _________

Answer 7

Neuron, muscle fiber.

Question 8

The point of contact is between the axon terminal of a _______ and the _______________ of a skeletal muscle fiber

Answer 8

Motor neuron, motor end plate.