LAB QUIZ 5 special senses

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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


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