WorksheetsHearing and Equilibrium
Total questions: 20
Worksheet time: 10mins
All the following are components of the vestibular apparatus, except
crista ampullaris
vestibular hair cells
vestibular nucleus
saccule
The crista ampullaris is sensitive to
sound vibrations
force of gravity
linear acceleration
angular acceleration
______ vibrates and transmits sound to ossicles
A
B
K
J
I is
round window
oval window
tympanic membrane
cochlea
The ossicles belong to middle ear
Yeszaaaaaa
No...it is not
This structure is actively & rapidly change length in response to changes in membrane potential
A
B
C
Basilar membrane
_____ acts as tranducer
A
B
C
Basilar membrane
Which of the below structures acts to convert sound waves to vibrations?
cochlea
pinna
tympanic membrane
Organ of Corti
vestibulocochlear nerve
Which of the below structures converts vibrations to action potentials?
organ of corti
tympanic membrane
round window
ossicles bone
Which of the below structures senses dynamic equilibrium?
maccule of vestibule
choclea
semicircular canas
vestibulocochlear nerve
Which one represent regeneration?
1
2
3
4
Which structure allows upper respiratory infections to spread from the throat to the tympanic cavity?
oval window
cochlear duct
auditory canal
eustachian tube
Which of these is most vulnerable to irreversible damage caused by a very loud noise?
the ossicles
choclear hair cells
the tympanic membrane
fibers of the cochlear nerve
Each upward movement of the _____ causes the stereocilia of the inner hair cells to bend, opening ___
gates.
basilar membrane; K+
tectorial membrane; K+
vestibular membrane; K+
basilar membrane; Na+
When you spin while sitting in a swivel chair with your eyes closed, you can sense this movement by
means of your
cochlea
saccule
semicircular ducts
utricle
When you travel in an elevator, the ___ senses when the elevator is moving.
inner hair cells of the basilar membrane
hair cells of the otolithic membrane of the macula sacculi
hair cells of the otolithic membrane of the macula utriculi
hair cells of the tectorial membrane
The crista ampullaris is associated with
static acceleration related to linear acceleration.
dynamic equilibrium related to angular acceleration.
hearing related to high-pitch sounds.
static equilibrium related to standing still.
When stimulated by sound vibrations, inner hair cells (IHCs) of the Organ of Corti release this neurotransmitter onto auditory nerve fibers:
glutamate
GABA
serotonin
acetylcholine
Which of the following are false regarding the bony labyrinth:
the cochlea is responsible for hearing
the vestibule is responsible for static equilibrium
the semicircular canals are responsible for dynamic equilibrium
the cochlea contains a sensory organ known as the organ of Corti
the vestibule contains a sensory organ known as a crista ampullaris
Another name for ear wax is:
endolymph
sebum
cerumen
perilymph
