Neuromuscular Junction

Question 1

During muscle contraction, what role does calcium play?

Accepted Answer

1

Question 2

What is the primary neurotransmitter released at the neuromuscular junction?

Accepted Answer

Acetylcholine

Accepted Answer

acetylcholine

Question 3

What is the function of the enzyme acetylcholinesterase at the neuromuscular junction?

Accepted Answer

1

Question 4

What is the role of calcium ions at the neuromuscular junction?

Accepted Answer

1

Question 5

Which structure in the muscle fiber is responsible for propagating the action potential?

Accepted Answer

2

Question 6

What is the synaptic cleft?

Accepted Answer

1

Question 7

Which ion channel opens in response to the action potential in the presynaptic neuron at the neuromuscular junction?

Accepted Answer

2

Question 8

Which enzyme breaks down acetylcholine in the synaptic cleft?

Accepted Answer

Acetylcholinesterase

Accepted Answer

acetylcholinesterase

Question 9

What structure in the muscle cell receives the signal from the motor neuron?

Accepted Answer

2

Question 10

Which ion channel opens first when an action potential reaches the neuromuscular junction?

Accepted Answer

1

Question 11

What is the primary function of the neuromuscular junction?

Accepted Answer

2

Question 12

Which ion is crucial for triggering the release of acetylcholine into the synaptic cleft?

Accepted Answer

Calcium

Question 13

What is the gap called between the nerve ending and the muscle fiber at the neuromuscular junction?

Accepted Answer

Synaptic cleft

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