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5 Written questions

5 Matching questions

  1. (ascending) ___ order sensory neuron extends form the source of the stimulus to the _____ horn where it synapses with ______
  2. ventral rami join to form ____ ____ formed of L2-S2 rami; supplies lower limb
  3. (desending) primary motor cortex --> white matter via upper motor interneuorn --> decussation occurs in the ____ --> tract continues down spinal chord --> at appropriate signal level axon leaves tract and enters the _____ ______ where it synapses with lower motor neuron
  4. ___ vertebral levels, each containing muscles, skin, and bones; neurons that supply instruction to/form these levels travel within ____ _____
  5. as the spinal cord comes to an end at the conus medularis, the pia mater continues a thin threat the anchors the end of the spinal chord to the sacrum
  1. a lumbosacral plexus
  2. b medulla ventral horn
  3. c 32 spinal nerves
  4. d first dorsal interneurons
  5. e filum terminale

5 Multiple choice questions

  1. 7 12 5 5 3 5
  2. ventral ramus
  3. dorsal ramus
  4. brachial plexus
  5. polysynaptic

5 True/False questions

  1. unlike the brain, the duramater is surrounded by a space filled with fat, the ___ ___spinal nerve


  2. _______ relfex pathway: 1. stimulation of pain receptor 2. signal occurs along sensory neuron 3. synapse with interneurons 4. signal occurs along motor neuron 5. muscle stimulated to contract, withdrawing limb from painpolysynaptic


  3. bundle of spinal nerves that pass through the vertebral canal on their way to the appropriate intervertebral foramencauda equina


  4. spinal cord has a ____ ____ in the region of the upper limbcervical enlargement


  5. _____ ___ anchors the end of the spinal chord to the ______conus medularis


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