Anatomy of the Spinal Cord and Peripheral Nervous System
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Questions and Answers

What is the function of the grey matter in the spinal cord?

  • It connects the Central Nervous System with the body’s external and internal environments
  • It contains the cells of the motor neurons which supply the muscles and glands (correct)
  • It carries motor information to the body
  • It forms the sensory and motor pathways to and from the brain
  • What do the axons of the peripheral nervous system primarily carry?

  • Connective tissue
  • Sensory information and motor commands (correct)
  • Nuclei in the brain
  • Motor information to the body
  • Which part of the nervous system connects the Central Nervous System with the body’s external and internal environments?

  • Peripheral nerves
  • Spinal nerves
  • The Peripheral Nervous System (correct)
  • Cranial nerves
  • What is the main communication pathway between the brain and the body?

    <p>Spinal nerves</p> Signup and view all the answers

    Which plexus supplies the entire upper limb?

    <p>Brachial plexus</p> Signup and view all the answers

    What type of reflex is initiated by the stretching of a skeletal muscle and results in its reflex contraction?

    <p>Stretch reflex</p> Signup and view all the answers

    How many pairs of spinal nerves are there?

    <p>31</p> Signup and view all the answers

    Which division of the peripheral nervous system transmits information from the periphery to the central nervous system?

    <p>Afferent division</p> Signup and view all the answers

    What is the function of the ventral branches of L1- L4 interlinking to form the lumbar plexus?

    <p>Supplying the thigh and skin of the buttocks and genitals</p> Signup and view all the answers

    What does the central nervous system primarily do?

    <p>Process and integrate information</p> Signup and view all the answers

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