13 review questions

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Author:
servinggod247
ID:
184466
Filename:
13 review questions
Updated:
2012-11-19 14:45:24
Tags:
anatomy
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Description:
anatomy
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  1.   
      
  2. The ventral roots of each spinal segment
    • control peripheral effectors 
    • contain the axons of somatic motor and visceral motor neurons
  3.   
      
  4. The adult spinal cord extends only to
    the first or second lumbar vertebrea
  5. Which of th eofllowin g statement is falso concerning gray matter of the spinal cord 
    it is primarily involved in relaying info to the brain
  6. Steps of a reflex arc 
    • arrival of a stimulus and activation of a receptors
    • activation of a sensory neuron
    • info processing
    • activation of a motor neuron
    • response by an effector
  7. a sensory region monitored by the dorsal rami of a single spinal segment is 
    a dermatome
  8. THe major nerve of the cervical plexus that innervates the diaphram is the 
    phrenic nerve
  9. The genitofemoral, femoral, and lateral femoral cutaneous nerves are major nerves of the 
    lumbar plexus 
  10. the synapsing of several neurons on the same postsynaptic neuron is called
    convergnce
  11. The reflexes that control the most rapid, steriotyped motor responses to stimuli are 
    monosynaptic
  12. The contraction of a flexor muscles and the relaxation of extensor muscles illustrate the principle of 
    reciprocal inhibition

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