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Neuron structure and potential

  • Game Code: 858716
  •  English    12     Public
    nervous sytem
  •   Study   Slideshow
  • What is the normal resting potential of a neuron cell membrane?
    -70mV
  •  15
  • At which point on the diagram does depolarisation of the axon occur?
    B
  •  15
  • At which point on the diagram does repolarisation of the axon occur?
    C
  •  15
  • What is the insulating membrane that surrounds parts of the axon that helps to protect & propagate action potential?
    Myelin sheath
  •  15
  • When a neuron is not engaged in an impulse.
    Resting potential
  •  15
  • When a neuron is resting, the inside of the axon has a ____________ charge
    Negative
  •  15
  • In resting potential, neurons have more _________ on the outside of the cell membrane.
    Na+ (sodium)
  •  15
  • At what stages do Sodium (Na+) Channels open?
    Depolarization
  •  15
  • At what stages do Potassium (K+) Channels open?
    Repolarization
  •  15
  • (True or False) Na+/K+ ATPase pump moves 3Na+ out for every 2K+ in
    True
  •  15
  • (True or False) Axons are the first part of neuron that receive stimuli
    False
  •  15
  • What is the name of cell that produces myelin sheath?
    Schwan cell
  •  15
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