Otology Flashcards
How will sensory hearing loss look on an audiogram?
there will be no significant difference between bone conduction and air conduction
The ______, the structure on the lateral edge of the scala media, is responsible for maintaining homeostasis of the inner ear.
stria vascularis
On an audiogram, bone conduction remains normal with impaired air conduction. This indicates?
conductive hearing loss
The stria vascularis, the structure on the lateral edge of the ______, is responsible for maintaining homeostasis of the inner ear.
scala media
Hair cells are normally arranged in a regular pattern, with 1 row of ______ and 3 rows of _____.
1 row inner hair cells, 3 rows outer
Name 3 causes of neuronal hearing loss.
- 8th nerve tumors (vestibular schwannoma- Neurofibromatosis Type 2)
- Auditory neuropathy
- Multiple Sclerosis
What is another name for Meniere’s Disease?
endolymphatic hydrops
Swelling of endolymphatic space and problems with the stria vascularis are hallmarks of _____.
Meniere’s Disease aka endolymphatic hydrops
Name 5 drug classes and examples of each that can cause ototoxicity.
- Aminoglycosides (gentamicin)
- Macrolides (erythromycin)
- Loop diuretics (Furosemide)
- Chemotherapy ( – )
- Platinum containing agents (cisplatin)
The stria vascularis, the structure on the lateral edge of the scala media, is responsible for _____.
maintaining homeostasis of the inner ear