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10 Cards in this Set
- Front
- Back
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Which ions are where at the resting pont of a neuron?
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sodium on the outside and potassium on the inside
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What part of the nueron carries the impuse toward the cell body?
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dendrites
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What is the charge of a nueron at resting state and repolorization phase?
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-70mv
+40mv |
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What is it called when there is a rapid reversal of charges?
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action potential
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What is the role of acetycholine?
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Once released, the chemicals will diffuse across synapse and trigger action potential (inrush of Na+)
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Define summation
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the sum effect of all nuerotransmitters acting on a nueron.
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What are the 5 components of the reflex arc?
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receptor, sensory nueron, internueron or spinal cord, motor nueron, effector
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Define neurilemma
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helps regenerate a damaged nueron
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what are the two types of nervous systems?
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Central Nervous System
Peripheral Nervous System |
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What are the 2 types of autonomic nerves in the PNS?
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sympathetic
parasympathetic |
