Chpt 13 ENT & Mouth

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Nursing
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66540
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Chpt 13 ENT & Mouth
Updated:
2011-02-15 17:52:14
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Chpt ENT Mouth
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Chpt 13 ENT & Mouth
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  1. External
    Middle
    Inner
    • External: auricle, external ear canal
    • Middle: TM, auditory ossicles, eustachian tube
    • Inner: labyrinth, cochlea, organ of Corti, CN VIII
  2. Collect and transmit sound waves
    auricle and external ear canal
  3. divides external ear from middle ear, transmits sound waves
    TM tympanic membrane
  4. Ossicles
    three of the smallest bones in the body! They also transmit sound waves
  5. Eustachain Tube
    equalizes pressure on both sides of TM
  6. Structures of inner ear transmit sound waves to
    CN VIII and affect equilibrium
  7. Two salivary gland on both sides of frenulum
    Wharton's ducts
  8. salivary ducts located opposite the upper second molars
    Stensens Ducts
  9. Total Saliva produced/day
    1000-1500ml
  10. 32 teeth total

    Incisors:
    Canines:
    Premolars:
    Molars:
    • Incisors: 4
    • Canines: 2 "pointy"
    • Premolars: 4
    • Molars: 6
  11. Count/number teeth by..
    • Counting: Top right-top left
    • then bottom right-bottom left
  12. transmission of sound through the ear canal, TM and ossicular chain to cochlea and auditory nerve
    Air conduction (Rhinne Test, next to ear)
  13. Bone conduction (Weber Test, on head)
    transmission of sound through the BONES of the skull to the cochlea and auditory nerve
  14. Perichondrial Hematoma (common in wrestlers and boxers)
    Cauliflower ear
  15. Perichondritis
    Inflammation of the skin/tissue covering the cartilage of the ear
  16. Unpleasant odor of the breath
    halitosis
  17. Furunculosis: painful, boil-like pustule in the EAC
    is just an infection of a hair follicle. EAC edema and otorrhea may also be present

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