Q:

Spinal nerves are formed from a dorsal root and a ventral root. What is true of the ventral root?

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Spinal nerves are formed from a dorsal root and a ventral root. What is true of the ventral root? 


  1. they contain sensory neurons carrying afferent impulses
  2. they contain sensory neurons carrying efferent impulses
  3. they contain motor neurons carrying afferent impulses
  4. they contain motor neurons carrying efferent impulses

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D: The ventral root contains axons of motor neurons. That is, they carry motor information from the brain to the body – this is efferent (outgoing) information.

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