MC 1 (Thurs Aug 29) Flashcards
The peripheral nervous system is composed of
outer ear
middle ear
inner ear
VIIIth nerve
The central auditory nervous system (CANS) is composed of
Brainstem
Brain
The air conduction pathway is composed of
outer, middle, inner, VIIIth nerve, CANS
The bone conduction pathway is composed of the
inner, VIIIth, CANS
Conductive hear loss is when the disfunction is at the ___
outer ear or middle ear
Sensory hearing loss is when the dysfunction is at the ___
inner ear (cochlea)
During conductive hearing loss the AC is ___ and the BC is ____
abnormal, normal
Sensory hearing loss results in AC _______ and BC _____
abnormal, abnormal
Neural hearing loss is when the dysfunction is at the ___
VIIIth nerve
Neural hearing loss results in AC ____ and BC ____
abnormal, abnormal
Central hearing loss is when there is a dysfunction at the ____
CANS (central auditory nervous system)
In central hearing loss, the AC is ____ and the BC is ____
normal, normal
Example Question:
There is a mass of ear wax stuck in the outer ear.
AC ____ BC___
AC= abnormal
BC= normal
Example Question:
If there was a lesion in the ear drum
AC___ BC ___
AC= abnormal
BC= normal
Example Question:
If there was damage to the Cochlea
AC ___ BC ___
AC= abnormal
BC= abnormal
