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Questions

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Which Chemical Neurotransmitter does the Sympathetic division employ?   Norepinephrine  
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What are Sympathetic Fibers termed?   Adrenergic  
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What is the purpose of the Sympathetic NS?   preparation for Emergency or Physical Stress - Fight or Flight  
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What are some of the responses of the Sympathetic NS?   Increases HR/BP, Dilates Pupils, Raises Respiratory rate and volume, INHIBITS Digestion  
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Where is the Sympathetic division located?   Thoracolumbar (12 Thoracic, 3 lumbar) - T-1 ---> L-3  
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What is the Anatomical term for the "Sympathetic Chain" and where is it located?   Paravertebral Ganglia - paravertebral/bilateral to spine  
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What structures make up the Paravertebral Ganglia?   White Rami, Gray Rami, Splanchnics  
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What is the function of the White Rami?   TOWARD Spinal cord - contain Short, Myelinated, PREganglionic fibers  
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What is the function of the Gray Rami?   FROM Spinal Cord - contain UNmyelinated, POSTganglionic fibers  
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Which Rami merge with Spinal Somatic Nerves?   Gray Rami  
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What are the functions of Splanchnics?   Myelinated, PREganglionic fiber passing through Paravertebral ganglia to innervate Abdominal organs  
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Do Splanchnics form ganglia?   Yes, 3 peripheral (collateral) ganglia in Abdominal Cavity  
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Preganglionic Neurons in the Sympathetic division are...?   Short  
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Postganglionic Neurons in the Sympathetic division are...?   Long  
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What is the action of the Effectors in the Sympathetic division?   Excitatory  
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