LAB QUIZ 5 special senses
Damage to which of these structures can result in sensorineural deafness?
D
the ____ is a clear, watery fluid that helps to maintain the intraocular pressure of the eye and provides nutrients for the avascular lens and cornea
aqueous humor
what is true of both the mechanism of hearing and the mechanism of equilibrium?
both require the movement of fluid
The middle ear _________________.
carries and amplifies thr vibrations of sound waves across three little bones
which structure is highlighted?
cochler nerve
the ____ of the retina detect color and function only in ___ light.
cones ; bright
This mucous membrane covers the surface of the eyeball and lines the eyelid.
conjunctiva
the circularly arranged smooth muscle fibers in the highlighted structure perform which function?
constrict the pupil
which structure is this?
cornea
the highlighted structure controls the ___ of the pupil.
diameter
the highlighted structure transmits information about ____ to the brain
equilibrium
Sound waves pass through this canal on their way toward the eardrum.
external acoustic meatus
the highlighted structures move the eye. Collectively these are called the
extrinsic eye muscles
which structure is highlighted?
fungiform papillae
The ability to clearly see objects at a distance but not close up is properly called ________.
hyperopia
Where are ganglia of the parasympathetic division located?
in of near effector organs
which structure is highlighted?
lacrimal caruncle
which structure is highlighted?
lens
which structure is highlighted?
linguil tonsils
the name of the receptor region containing hair cells involved in detecting static equilibrium is
macula
Ceruminous glands are ________.
modified apocrine sweat glands
which structure is highlighted?
olfactory mucosa
which structure is highlighted?
optic nerve
which of the following structures is not part of the external ear?
pharyngotympanic tube
which of the following is a function of the highlighted region?
protects the eyeball
Motion sickness seems to ________.
result from mismatch between visual and vestibular inputs
which structure is highlighted?
retina
The oval window is connected directly to which passageway?
scala vestibuli
which structure is highlighted?
semicircular canals
which structure is highlighted?
stapes
which structure is highlighted?
superior oblique
the malleus, incus, and stapes of the middle ear are joined by tiny ___
synovial joints
outflow of the sympathetic division occurs which regions of the CNS?
thoracic and lumbar
T/F: the optic disc forms a blind spot where the optic nerve leaves the eyeball?
true
the highlighted structure converts sound waves on the external acoustic meatus into ____.
vibratory waves
Which letter indicates structures involved in detection of BOTH hearing and equilibrium?
C
