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5 Written questions

5 Matching questions

  1. Resting potential
  2. Propagation of the action potential
  3. Hyperpolarization
  4. Local neurons
  5. Refractory period
  1. a Increased polarization across a membrane
  2. b Electrical potential across a membrane when a neuron is not being stimulated
  3. c Small neuron with no axon or a very short one
  4. d Transmission of an action potential down an axon
  5. e Brief period following an action potential, when the cell resists the production of further action potentials

5 Multiple choice questions

  1. Time after the absolute refractory period, when potassium gates remain open wider than usual, requiring a stronger than usual stimulus to initiate an action potential
  2. Time immediately after an action potential, when the sodium gates close and the membrane cannot produce an action potential in response to stimulation of any intensity
  3. Electrical gradient across a membrane
  4. Axon covered with a myelin sheath
  5. Membrane potential that varies in magnitude and does not follow the all-or-none law

5 True/False questions

  1. Saltary conductionElectrical gradient across a membrane


  2. Selectively PermeableAbility of certain chemicals to pass more freely than others through a membrane


  3. Voltage-gated channelsAxon covered with a myelin sheath


  4. Threshold of excitationIncreased polarization across a membrane


  5. Axon hillockElectrical gradient across a membrane


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