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WorksheetsInner Ear
Total questions: 25
Worksheet time: 16mins
Which part of the temporal bone is the inner ear located?
tympanic
petrous
squamous
mastoid
The stapes rests in the ___ ______.
(a)
What is the small hole at the apex of the cochlea that connect the scala vestibuli to the scala tympani?
oval window
organ of corti
round window
helicotrema
The top of the cochlea is called the (a) .
Which type of fluid is found in the scala tympani and scala vestibuli?
perilymph
cerebral spinal fluid
endolymph
cerumen
What is the middle part of the cochlea, filled with endolymph?
scala vestibuli
scala basilar
scala media
scala tympani
When is a wave made in the middle ear?
a rave occurring in the middle ear where the ossicles and the muscles jump up and down to 2010s Usher music
rocking of the stapes against the oval window
rocking of the malleus against the TM
rocking of the stapes against the round window
What are the three connections in the inner ear to other anatomical parts?
cochlear aqueduct
ductus reunions
vestibular aqueduct
all of the above
Which of these is part of the vestibular system?
scala media
helicotrema
semicircular canals
the ossicles
Inner hair cells are closer to the _____. While outer hair cells are closer to the ______.
modiolus, stria vascualaris
spiral ganglia, stria vascularis
modiolus, spiral ganglia
modiolus, reticular lamina
What is the bony core that the three scala is wrapped around?
(a)
What is the other name(s) for the scala media?
membranous labyrinth
bony labryrinth
cochlear duct
scala vestibuli
What does the cochlear aqueduct connect in the inner ear?
perilymph to cerumen
csf to perilymph
endolymph to perilymph
csf to endolymph
What is located on the basilar membrane; contains inner and outer hair cells?
stria vascularis
organ of corti
helicatrima
semi-circular canals
High frequencies are located at the (a) of the cochlea.
The basilar membrane is wider and floppier at the (a) .
What does the ductus reunions connect in the inner ear?
vestibular system to perilymph
csf to perilymph
vestibular system to endolymph
endolymph to perilymph
How many rows of inner hair cells are there?
1
2
3
4
How many rows of outer hair cells are there?
1
2
3
4
What does the vestibular aqueduct connect in the inner ear?
perilymph to the dura
vestibular system to endolymph
perilymph to csf
endolymph to the dura
What are located at the top of the hair cells?
a dance party
organ of corti
wave
sterocilla
Efferent nerve fibers attach to these hair cells.
inner hair cells
upper hair cells
outer hair cells
lower hair cells
The stria vascularis pumps (a) .
Which hair cells are embedded into the tectorial membrane?
outer hair cells
upper hair cells
inner hair cells
lower hair cells
Which hair cells are afferent?
upper hair cells
inner hair cells
lower hair cells
outer hair cells
