Cranial Nerves

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Author:
rforgan
ID:
68594
Filename:
Cranial Nerves
Updated:
2011-02-24 01:13:40
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Cranial Nerves
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Cranial nerves quiz
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  1. Cranial nerves are:
    12 paired nerves composed of cell bodies with fibers that exit from the cranial cavity. Fibers maybe afferent (sensory, to brain), efferent (motor, from brain), or both.
  2. CN 1 - Olfactory
    Afferent (sensory): Smell
  3. CN 2 - Optic
    Afferent (sensory): Retina of eye; sends vision signal to brain
  4. CN 3 - Oculomotor
    Efferent (motor): Most eye motor movements
  5. CN 4 - Trochlear
    Efferent (motor): Moves the eye's superior oblique muscle
  6. CN 5 - Trigeminal
    Afferent (sensory): Sensation of face, three branches: Ophthalmic branch - forehead, eyes, superior nasal cavity; Maxillary branch - Inferior nasal cavity, face, upper teeth, mucosa of superior mouth; Mandibular branch - jaw, lower teeth, mucosa of lower mouth, anterior tongue
  7. CN 6 - Abducens
    Efferent (motor): Moves the eye's lateral rectus muscle; crosses eyes
  8. CN 7 - Facial
    Efferent (motor): Facial muscle expression, cheek, buccinator
  9. CN 8 - Vestibulocochlear
    Afferent (sensory): Hearing
  10. CN 9 - Glossopharyngeal
    Afferent (sensory): Taste, pharynx to posterior tongue. Efferent (motor): Superior pharyngeal muscles
  11. CN 10 - Vagus
    Afferent (sensory): Thoracic and abdominal organs. Efferent (motor): Larynx, middle and inferior pharyngeal muscles
  12. CN 11 - Accessory
    Efferent (motor): Neck muscles, sternocleidomastoid, trapezius; shrug shoulders
  13. CN 12 - Hypoglossal
    Efferent (motor): Tongue movements
  14. Nerves 3, 4, and 6
    Your eyes do tricks
  15. Five feels the ______
    Face
  16. Eight for the _____
    Ears
  17. All five senses are present in the cranial nerves. Name them.
    • CN 1 - Smell
    • CN 2 - Sight
    • CN 5 - Touch
    • CN 8 - Hear
    • CN 9 - Taste
  18. Twelve twists the _____
    Tongue
  19. Nine to _____
    Wine and dine
  20. Eleven shrugs your shoulders towards _____
    Heaven
  21. Lucky #7 brings a _____ to my face
    Smile

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