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neuromuscular junction

Authored by Melissa Sheridan

Science, Biology

9th - 12th Grade

Used 4+ times

neuromuscular junction
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23 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The point at which the nerve cell reaches the sarcolemma of the muscle fiber is the _____.

Neurotransmitter

Acetylcholine

Synaptic cleft

Neuromuscular Junction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

The gap between the nerve cell and sarcolemma is the ____ ___.

Synaptic cleft

Neurotransmitter

Motor unit

Neuromuscular junction

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the specific neurotransmitter that stimulates the movement of skeletal muscles?

GABA

Acetylcholine

Serotonin

Dopamine

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the name of the component that houses the neurotransmitters?

Synaptic cleft

Acetylcholine

Receptors

Synaptic vesicles

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Once the action potential reaches the end of the pre-synaptic terminal what takes place?

ACh is released into the synaptic cleft.

Calcium is pumped into the sarcolemma.

Calcium is pumped into the presynaptic terminal.

The muscle contracts.

6.

MULTIPLE SELECT QUESTION

30 sec • 1 pt

What is the role of acetylcholinesterase? (two answers)

It allows acetylcholine to leave the synaptic cleft

It creates acetylcholine out of acetic acid and choline

It breaks acetylcholine down into choline and acetic acid

It helps acetylcholine re-enter the neuron

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens at the neuromuscular junction?

A sensory neuron communicates with a motor neuron

An action potential jumps from the muscle to the neuron

A nerve signal traveling down a motor neuron can jump over to the muscle cell

Muscle cells contract in response to a sensory neuron

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