Trigeminal Nerve Overview
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Questions and Answers

Which cranial nerve is the trigeminal nerve?

  • CN VII
  • CN V (correct)
  • CN III
  • CN IX
  • Which nerve is responsible for sensory innervation of the face and skull above the palpebral fissure and the eye?

  • Ophthalmic (V1) nerve (correct)
  • Maxillary (V2) nerve
  • Mandibular (V3) nerve
  • Abducens (VI) nerve
  • Which branch of the trigeminal nerve provides sensory innervation of portions of the nasal cavity, sinuses, maxillary teeth, palate, and the middle portion of the face and skull above the mouth?

  • Maxillary (V2) nerve (correct)
  • Mandibular (V3) nerve
  • Ophthalmic (V1) nerve
  • Facial (VII) nerve
  • Which branch of the trigeminal nerve contains both sensory and motor fibers?

    <p>Mandibular (V3) nerve</p> Signup and view all the answers

    What type of information is conducted by the trigeminal nerve?

    <p>Touch, pain, and temperature</p> Signup and view all the answers

    Where is the principal sensory nucleus located?

    <p>Lateral to the motor nucleus within the posterolateral surface of the pontine tegmentum</p> Signup and view all the answers

    Where does the trigeminal l decussate to the opposite side of the brainstem?

    <p>Ascend in the trigeminal l, which decussates to the opposite side of the brainstem</p> Signup and view all the answers

    Which part of the spinal trigeminal nucleus spans from the mid-pontine level to the rostral third of the inferior olive in the medulla oblongata?

    <p>Pars oralis</p> Signup and view all the answers

    Where does the spinal trigeminal nucleus connect to in the spinal cord?

    <p>Dorsal horn of the spinal cord</p> Signup and view all the answers

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