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5 Written Questions

5 Matching Questions

  1. A multi-layered protein and lipid covering that insulates neurons
  2. The ability to respond to a stimulus and convert it into an action potential
  3. How do astrocytes help maintain an appropriate chemical environment for the generation of nerve impulses?
  4. Explain the integrative function
  5. A neurotransmitter that depolarizes the postsynaptic membrane is?
  1. a processes sensory input by integrating and using perception
  2. b excitatory: brings membrane closer to threshold
  3. c Regulate concentration of K+, take up excess neurotransmitters, and serve as a nutrient conduit
  4. d electrical excitability
  5. e myelin sheath

5 Multiple Choice Questions

  1. nerve
  2. plasticity
  3. ionotropic receptor
  4. action potential "nerve impulse"
  5. repolarization

5 True/False Questions

  1. The membrane's permeability to K+ is much higher than?its permeability to Na+


  2. Period of time when neuron cannot generate another action potential in response to normal threshold stimulusaway from CNS to effectors in the PNS


  3. What are the three functions of the nervous system?brain, cranial nerves, spinal cord, and spinal nerves


  4. Ions move through plasma membrane along?long distances


  5. What two types of neuroglia produce myelin sheaths?astrocytes, oligodendrocytes, microglia, and ependymal cells


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