Enlarged Vestibular Aqueduct Quiz

The Vestibular Aqueduct helps create and regulate typical ​ (a)   and ​ (b)  

• hearing
• balance
• speech
• language development

A typically developed vestibular system helps us keep our equilibrium.

• True

• False

Fluid in the vestibular apparatus is controlled by

• head movements

• sound waves

• air flow

• nerve signals

What is the name of the fluid-filled tube that runs through the VA, and connects the inner ear to the endolymphatic sac?

• endolymphatic cannula

• endolymphatic duct

• endolymphatic cavity

• endolymphatic tube

At what size is the VA considered enlarged?

• >0.5-1.0 mm

• >1.0-1.5 mm

• >0.4-0.8 mm

• >2.0-2.5 mm

EVA is the least common ear malformation associated with sensorineural hearing loss.

• True

• False

Which gene is most commonly associated with the genetic mutation causing EVA?

• LVD39B3

• SLC26A4

• JKH42G6

• POD50S9

How can EVA be detected?

• MRI

• Audiometry

• CT Scan

• Swabbing and testing under microscope

Which of these is the Enlarged Vestibular Aqueduct?

EVA causes hearing loss.

• True

• False