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Chapter_26_ENT_copy

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Exam of 4 pages for the course Chapter 5: Ethics and Bioethical Issues at Chapter 5: Ethics and Bioethical Issues (Chapter_26_ENT_copy)

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Chapter 26: Ear, Nose, Pharynx, and Larynx


 Conductive hearing loss
i. blockages or damaged anatomical structures in the outer ear, ear
canal or middle ear
ii. Earwax is also known as cerumen
iii. Otosclerosis: bone from the cochlea to grow onto the stapes bone in the
middle ear, making it more difficult to hear
iv. Cholesteatoma: happens when tissue grows in the ear that should not be
there
 Sensorineural hearing loss
i. permanent.
 External or outer ear, consisting of:
i. Pinna or auricle= outside part of the ear.
ii. Tympanic membrane (eardrum): divides the external ear from the middle ear.



 Middle ear (tympanic cavity), consisting of:
i. Ossicles: Three small bones that are connected and transmit the sound
waves to the inner ear. The bones are called: Malleus, Incus, Stapes


 Inner ear, consisting of:
 Cochlea.
i. This contains the nerves for hearing.


 The order of the ossicles from the ear canal: Malleus, Incus, Stapes


 Sponges and Dressings
i. Glasscock dressing – used after minor procedures of the ear like a
tympanoplasty


 MYRINGOTOMY




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https://www.coursehero.com/file/218234157/Chapter-26-ENT-copy-copydocx/

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