How The Motor Unit Is Stimulated Flashcards

1
Q

Where is the nerve impulse initiated

A

In the motor neurone cell body

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2
Q

Where is the nerve impulse conducted down

A

Axon of the motor neurone by a nerve action potential to the synaptic cleft

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3
Q

Where is the acetylcholine secreted to

A

The synaptic cleft to conduct the nerve impulse across the gap

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4
Q

What happens when the synaptic cleft is above the threshold

A

The muscle will contract

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5
Q

What kind of fashion does this happen in

A

All or none

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