Organization of the Nervous System
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Questions and Answers

Which part of the nervous system is responsible for regulating involuntary functions such as heart rate and digestion?

  • Parasympathetic division (correct)
  • Cranial nerves
  • Sympathetic division
  • Spinal cord
  • Which division of the autonomic nervous system is associated with the 'fight or flight' response?

  • Sympathetic division (correct)
  • Parasympathetic division
  • Cranial nerves
  • Spinal cord
  • Which part of the nervous system is composed of 12 pairs of nerves connected to the brain stem?

  • Parasympathetic division
  • Spinal nerves
  • Sympathetic division
  • Cranial nerves (correct)
  • From which part of the nervous system do 31 pairs of nerves arise directly from?

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

    What is the approximate length of the spinal cord in males?

    <p>45 cm</p> Signup and view all the answers

    At what level does the spinal cord end in adults?

    <p>L1/2 vertebrae</p> Signup and view all the answers

    Which part of the spinal cord gives origin to the brachial plexus of the upper limb?

    <p>C5-T1 spinal segments</p> Signup and view all the answers

    What is the shape of the spinal cord?

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

    Which sulcus on the external surface of the spinal cord is the deepest?

    <p>Anterior median fissure</p> Signup and view all the answers

    At birth, at what level does the spinal cord end?

    <p>L3 vertebra</p> Signup and view all the answers

    Which type of association fibres connect adjacent gyri of the same brain lobe?

    <p>Short association fibres</p> Signup and view all the answers

    Which bundle connects the frontal and parietal lobes to the occipital lobes and the adjoining part of the temporal lobe?

    <p>Superior longitudinal fasciculus</p> Signup and view all the answers

    Which bundle connects the orbital gyri with the temporal pole?

    <p>Uncinate bundle</p> Signup and view all the answers

    Which fibre connects the motor speech area in the frontal lobe with the Wernick speech area in the temporal pole?

    <p>Arcuate fasciculus</p> Signup and view all the answers

    What lies in the inferior surface of the cerebral hemisphere extending from the temporal pole to the occipital pole connecting various areas of the cerebral cortex on this surface?

    <p>Inferior longitudinal fasciculus</p> Signup and view all the answers

    Which bundle begins in the frontal pole, passes medial to superior longitudinal bundle and ends in the occipital pole?

    <p>Fronto-occipital bundle</p> Signup and view all the answers

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