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End of Topic Test - Neurones & Action Potentials

Applied Science: BTEC Level 3 National Extended Diploma, topic 1.5.9

Test yourself on End of Topic Test - Neurones & Action Potentials

  • What type of cells form the myelin sheath when wrapped around the axon of the neurone?

  • What is the approximate value of the resting potential of a neurone?

  • When a neurone is stimulated, the Na+ ion channels in the cell membrane open, and Na+ ions flood into the neurone. What effect does this have on the membrane potential?

  • In how many directions can a wave of depolarisation travel in?

  • Which of the following is NOT a factor that can speed up the transmission of nerve impulses?

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