cranial nerves

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Author:
mac519
ID:
198777
Filename:
cranial nerves
Updated:
2013-02-07 21:30:28
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cranial nerves
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Description:
the 12 cranial nerves
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  1. cranial nerve I
    olfactory nerve
  2. cranial nerve that provides a sense of smell
    olfactory nerve (I)
  3. cranial nerve II
    optic nerve
  4. the cranial nerve that provides the sense of vision
    optic nerve (II)
  5. cranial nerve III
    oculomotor nerve
  6. the cranial nerve that innervates the muscles that cause motion of the eyeballs and upper lid.  this nerve also carries parasympathetic nerve fibers that cause constriction of the pupil (sphincter muscle), and accommodation of the lens (ciliary muscle).
    oculomotor nerve (III)
  7. cranial nerve IV
    trochlear nerve
  8. this cranial nerve innervates the superior oblique muscle of the eyeball, which allows a downward gaze
    trochlear nerve (IV)
  9. cranial nerve V
    trigeminal nerve
  10. this cranial nerve supplies sensation to the scalp, forehead, face, and lower jaw via three branches: the ophthalmic, maxillary, and mandibular divisions.  it also provides motor innervation to the muscles of mastication (chewing), the throat, and the inner ear
    trigeminal nerve (V)
  11. cranial nerve VI
    abducens nerve
  12. this cranial nerve supplies that lateral rectus muscle of the eyeball (lateral movement)
    abducens nerve (VI)
  13. cranial nerve VII
    facial nerve 
  14. this cranial nerve supplies motor activity to all muscles of facial expression, the sense of taste to the anterior two thirds of the tongue, and cutaneous sensation the the external ear, tongue, and palate. it also carries parasympathetic stimulation to the salivary glands, lacrimal gland, and the glands of the nasal cavity and palate.
    facial nerve (VII)
  15. cranial nerve VIII
    vestibulocochlear (auricle) nerve
  16. this cranial nerve passes through the internal auditory meatus and provides the senses of hearing and balance
    vestibulocochlear (auricle) nerve VIII
  17. cranial nerve IX
    glossopharyngeal nerve
  18. this cranial nerve supplies motor fibers to the pharyngeal muscles. it provides taste sensation to the posterior portion of the tongue and carries parasympathetic fibers to the salivary glands (parotid glands) located on each side of the face
    glossopharyngeal nerve (IX)
  19. cranial nerve X
    vagus nerve
  20. this cranial nerve provides motor functions to the soft palate, pharynx, and larynx (voice). it also carries sensory fibers from the inferior pharynx, larynx, thoracic, and abdominal organs, taste bud fibers from the posterior tongue, and parasympathetic fibers to thoracic and abdominal organs.
    vagus nerve (X)
  21. cranial nerve XI
    accessory (spinal) nerve
  22. this cranial nerve provides motor innervation to the muscles of the soft palate and the pharynx and to the sternocleidomastoid and trapezius muscles. it also controls swallowing, speech, and head and shoulder movements.
    accessory (spinal) nerve (XI)
  23. cranial nerve XII
    hypoglossal nerve
  24. this cranial nerve provides motor function to the muscles of the tongue and throat
    hypoglossal nerve (XII)
  25. Having the patient follow finger with eyes assesses which cranial nerves?
    optic (II), oculomotor (III), trochlear (IV), and abducens (VI)
  26. having the patient smile and clench teeth assesses which cranial nerves?
    trigeminal (V) and facial (VII)
  27. having the patient shrug their shoulders assesses which cranial nerves?
    accessory (spinal) (XI)
  28. having the patient stick out their tongue assesses which cranial nerves?
    glossopharyngeal (IX) and hypoglossal (XII)
  29. having the patient swallow assesses which cranial nerves?
    vagus (X)
  30. the fact that the patient responds when prompted during the assessment of the other cranial nerves denotes the assessment of which cranial nerve?
    auricle (vestibulocochlear) (VIII)

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