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A & P ch12 Quiz

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1. potassium ion movement




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2. 12-7 The normal stimulus for neurotransmitter release is the depolarization of the synaptic knob by the:




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3. the addition of stimuli that arrive at a single synapse in rapid succession is called ___________.




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4. An action potential traveling along an axon is called a(n) ___________.




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5. The cytoplasm that surrounds a neuron's nucleus is referred to as the _____________.




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6. The sum of all the chemical and electrical forces active across the cell membrane is known as the __________.




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7. 12-3 the types of glial cells in the central nervous system are:




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8. 12-4 Depolarization of the membrane will shift the membrane potential toward:




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9. The visceral motor system that provides automatic,involuntary regulation of smooth and cardiac muscle and glandular secretions is the _____________.




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10. 12-9 Compounds that have an indirect effect on membrane potential work through intermediaries known as:




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11. postsynaptic potentials




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12. microglia




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13. astrocytes




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14. Central nervous system (cns) and Peripheral nervous system (pns)




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15. interneurons




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16. a depolarization produced by the arrival of a neuro-transmitter




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17. -70 mV




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18. saltatory




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19. to the CNS




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20. anaxonic,unipolar,bipolar,multipolar





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