Neuromuscular Junction - Test 3
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| True or false, the neuromuscular juncion is a speicalized elecrtical synapse? | False, it is a specialized chemical synapse comprised of an Alpha motor neuron and the muscle fiber it innervates
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| True or False, a synapse will always respond to an action potential? | False, a synapse may or amy not respond whereas a junction will always respond to an action potential.
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| Where ar the cell bodies of Alpha Motor Neurons located? | In the spinal cord or brain stem
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| True or false, usually each muscle fiber has only one neuromuscular junction? | True
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| Where does the junction of nerve endings meet on the muscle fiber? | midpoint to allow the action potential to travel in each direction
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| What is a motor unit consist of? | A single motor neuron and all the muscle fibers it innervates
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| True or false, a single muscle fiber is controlled by a single motor unit? | True
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| Where is the active zone of the axon terminal located? | Over the subneural folds
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