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10 Cards in this Set

  • Front
  • Back

External Ear

Outer ear



Observable

Middle Ear

Tympanic membrane, stapes, malleus, incus, oval window



Subjective data (not observable)

Internal Ear

Cranial nerve 8



Hearing and balance

Eustachian Tube

3-4cm long, lined with a mucous membrane



Extends from middle ear to the nasopharynx



Not observable

Tympanic Membrane

Ear drum


Located in middle ear



Observable using an otoscope



Shiny, pearl-grey

Cerumen

A substance secreted by glands at the outer 1/3 of the ear canal



Normally does not accumulate but may become impacted

Otorrhea

Inflammation of the ear with purulent discharge



Identified by the finding of drainage

Tinnitus

Ringing in the ear

Preauricular

In the front of ear

Postauricular

Behind ear