Physiology I Word Scramble
C R E L T L N O O D
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| Question | Answer |
| True or false, a single muscle fiber is controlled by a single motor unit? | True |
| 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 |
| 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, 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 |
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Tri 2
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