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Physiology I

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Created by: Tri 2

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Question	Answer
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
True or false, usually each muscle fiber has only one neuromuscular junction?	True
Where is the active zone of the axon terminal located?	Over the subneural folds
What is a motor unit consist of?	A single motor neuron and all the muscle fibers it innervates
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.
Where does the junction of nerve endings meet on the muscle fiber?	midpoint to allow the action potential to travel in each direction
Where ar the cell bodies of Alpha Motor Neurons located?	In the spinal cord or brain stem
True or false, a single muscle fiber is controlled by a single motor unit?	True

muscle	False, it is a specialized chemical synapse comprised of an Alpha motor neuron and the _____ fiber it innervates	1	1	true
True	Question: True or false, usually each muscle fiber has only one neuromuscular junction?	2	1	false
active	Where is the _____ zone of the axon terminal located?	3	0	true
respond	False, a synapse may or amy not _____ whereas a junction will always respond to an action potential.	5	1	true
potential	midpoint to allow the action _____ to travel in each direction	6	1	true