Other questions in this quiz

2. What do a train of action potentials create?

  • Tetanic contraction
  • A sequence of twitches
  • A muscle twitch
  • Graded contractions

3. A single neuron through the nerve can...

  • Cause many movements
  • Interact with many muscle fibres
  • Interact with a single muscle fibre
  • Cause a single movement

4. Are lower motorneurones (in the peripheral nerves) spontaneously active?

  • No, they receive input from upper motorneurons, sensory neurons and neurons that control posture
  • Yes, aswell as receiving input from other neurons they can also initiate movements

5. What is duchenne muscular dystrophy caused by abnormalities in?

  • Calcium
  • Actin
  • Dystrophin
  • Myosin


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