TB9 BB Lecture 1;

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  • Created by: mint75
  • Created on: 02-05-16 12:37

1. Describe the main concept of the final common pathway

  • All output from the somatosensory cortex that results in an action passes from spinal cord/brainstem to a striated muscle fibre
  • All input from the somatosensory cortex that results in an action passes from spinal cord/brainstem to a striated muscle fibre
  • All output from the nervous system that results in an action passes from spinal cord/brainstem to a striated muscle fibre
  • All input from the nervous system that results in an action passes from spinal cord/brainstem to a striated muscle fibre
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2. Which of these are characteristics of lower motorneurons (alpha motorneurons)

  • Large, conduct info at 100ms per second
  • Large, conduct info at 120ms per second
  • Small, conduct info at 120ms per second
  • Small, conduct info at 100ms per second

3. Within the spinal cord, what does the gray matter contain?

  • Axons
  • Nerves
  • Finer pathways
  • Dendrites

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

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

5. What is teh junction between the neuron and muscle called?

  • Alpha motorneurone junction (AMJ)
  • Striated muscle junction
  • Neuromuscular junction (NMJ)
  • Smooth muscle junction

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