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POP QUIZ QUESTIONS: EXAM #3 1) Reaching out to pick up a glass of water is an example of: Motor output 2) The brain & spinal cord are part of which system? Central nervous system 3) Most abundant, versatile, highly branched neuroglia cell Astrocyte 4) Saltatory conduction is made possible by the: Myelin sheath 5) Are graded potentials great for long distance signal conduction? No (only short distances) 6) Matching: Resting state of action potential: No ions move through the voltage gated channels Depolarization state of action potential: Na+ flowing into cell Repolarization of AP: K+ flowing out of cell Hyperpolarization of AP K+ continuing to leave cell 7) Which neurotransmitter is responsible for voluntary and pleasurable emotion? Dopamine 8) Which is not a type of neurotransmitter? Carbohydrates 9) Local repolarization of a post synaptic membrane that brings a neuron closer to AP threshold Excitatory post synaptic potential 10) What is not true about the development of neurons? Repair of neuron routinely occurs in the CNS (it does not repair in the CNS, but may repair in the PNS depending on certain factors)
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