Neuromuscular Junction - Test 3

Quiz yourself by guessing what should be in each of the black rectangles below before clicking on it to display the answer.
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Flap 1
Flap 2
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, 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 ar the cell bodies of Alpha Motor Neurons located?  In the spinal cord or brain stem  
True or false, usually each muscle fiber has only one neuromuscular junction?  True  
Where does the junction of nerve endings meet on the muscle fiber?  midpoint to allow the action potential to travel in each direction  
What is a motor unit consist of?  A single motor neuron and all the muscle fibers it innervates  
True or false, a single muscle fiber is controlled by a single motor unit?  True  
Where is the active zone of the axon terminal located?  Over the subneural folds  


   

 
 

 
 

 

 
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