Otology Flashcards

1
Q

How will sensory hearing loss look on an audiogram?

A

there will be no significant difference between bone conduction and air conduction

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2
Q

The ______, the structure on the lateral edge of the scala media, is responsible for maintaining homeostasis of the inner ear.

A

stria vascularis

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3
Q

On an audiogram, bone conduction remains normal with impaired air conduction. This indicates?

A

conductive hearing loss

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4
Q

The stria vascularis, the structure on the lateral edge of the ______, is responsible for maintaining homeostasis of the inner ear.

A

scala media

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5
Q

Hair cells are normally arranged in a regular pattern, with 1 row of ______ and 3 rows of _____.

A

1 row inner hair cells, 3 rows outer

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6
Q

Name 3 causes of neuronal hearing loss.

A
  1. 8th nerve tumors (vestibular schwannoma- Neurofibromatosis Type 2)
  2. Auditory neuropathy
  3. Multiple Sclerosis
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7
Q

What is another name for Meniere’s Disease?

A

endolymphatic hydrops

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8
Q

Swelling of endolymphatic space and problems with the stria vascularis are hallmarks of _____.

A

Meniere’s Disease aka endolymphatic hydrops

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9
Q

Name 5 drug classes and examples of each that can cause ototoxicity.

A
  1. Aminoglycosides (gentamicin)
  2. Macrolides (erythromycin)
  3. Loop diuretics (Furosemide)
  4. Chemotherapy ( – )
  5. Platinum containing agents (cisplatin)
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10
Q

The stria vascularis, the structure on the lateral edge of the scala media, is responsible for _____.

A

maintaining homeostasis of the inner ear

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