Otology

Question 1

How will sensory hearing loss look on an audiogram?

Answer 1

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

Question 2

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

Answer 2

stria vascularis

Question 3

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

Answer 3

conductive hearing loss

Question 4

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

Answer 4

scala media

Question 5

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

Answer 5

1 row inner hair cells, 3 rows outer

Question 6

Name 3 causes of neuronal hearing loss.

Answer 6

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

Question 7

What is another name for Meniere’s Disease?

Answer 7

endolymphatic hydrops

Question 8

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

Answer 8

Meniere’s Disease aka endolymphatic hydrops

Question 9

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

Answer 9

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

Question 10

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

Answer 10

maintaining homeostasis of the inner ear