MAT 112 (Wednesday) Quiz 7
What happens when the ciliary muscle contracts?
The lens bulges for close vision.
Which term means record of hearing?
audiogram
Which of the following diagnostic procedures is a test of hearing ability?
audiometry
A combining form that means ear is
aur/o
pupil
central opening in the eye
Which of the following helps prevent foreign substances from reaching the eardrum?
cerumen
What stimulates the receptors that determine taste?
chemicals in food
Which layer of the eye is responsible for supplying blood to the eye?
choroid
The combining form that means cochlea is
cochle/o
Which of the following is NOT one of the ossicles?
cochlea
iris
colored part of the eye
Which of the following structures are the sensory receptor cells that see color?
cones
eustachian tube
connects the middle ear with the throat
semicircular canals
contains the sense organs for dynamic equilibrium
vestibule
contains the sense organs for static equilibrium
A combining form that means cornea is
corne/o
The anterior portion of the sclera is the ________
cornea
A combining form that means tears is
dacry/o
The combining form that means double is
dipl/o
Which term means double vision?
diplopia
malleus
ear ossicle nicknamed the hammer
stapes
ear ossicle nicknamed the stirrup
Which of the following equalizes the pressure between the outside and the middle ear?
eustachian tube
Hyperopia means nearsighted.
false
Otitis media is also called swimmer's ear.
false
The retina is the middle layer of the eyeball.
false
Tinnitus is a term meaning dizziness.
false
What region of the retina produces the sharpest image?
fovea centralis
The combining form that means gray is
glauc/o
Where are thermoreceptors located?
immediately under the skin
retina
inner layer of the eye that contains rods and cones
A medical term that means pertaining to tears is
lacrimal
Which of the following structures focuses incoming light rays onto the retina?
lens
Where are thermoreceptors most numerous?
lips
external ear
located between the auricle and tympanic membrane
The receptors for hearing are what kind of receptors?
mechanoreceptors
The ossicles are located in which cavity of the ear?
middle
conjunctiva
mucous membrane that lines the eyelid and covers the front of the eye except for the cornea
A combining form that means eardrum (tympanic membrane) is
myring/o
Which term means cutting into the eardrum (tympanic membrane)?
myringotomy
The combining form that means night is
nyctal/o
Which term means instrument to view inside the eye?
ophthalmoscope
Which of the following diagnostic procedures examines the interior of the eye?
ophthalmoscopy
What is the name of the white spot in the eye where the optic nerve leaves the eye (also called the blind spot)?
optic disk
A medical term that means ear pain is
otalgia
Which of the following pathological conditions is an ear infection commonly seen in children?
otitis media
A medical term that means pus discharge from the ear is
otopyorrhea
The combining form that means lens is
phac/o
choroid
pigmented vascular middle layer of the eye
The combining form that means old age is
presby/o
Which of the following terms refers to the normal loss of hearing associated with aging?
presbycusis
All but one of the following are functions of tears. Which is incorrect?
prevent foreign objects from entering the eye
lacrimal gland
produces tears
The sense of position or orientation is known as ________.
proprioception
Which of the following is NOT a taste sensation?
pungent
The combining form that means pupil is
pupill/o
The bending of light rays so that they can be focused on the retina is known as _______.
refraction
Which layer of the eye contains the sensory receptors for sight?
retina
Which of the following allows the eye to adapt to dim light?
rhodopsin
Which of the following structures are the sensory receptor cells active in dim light?
rods
The combining form that means sclera is
scler/o
A decreased sensitivity to a continued stimulus is known as _________.
sensory adaptation
What type of senses have receptors that are localized in a particular area?
special senses
cochlea
spiral structure in the inner ear that functions in hearing
organ of Corti
structure in the cochlea that houses the sound receptors
eyelashes
traps foreign particles and prevents them from entering the eye
Another term for labyrinthitis is inner ear infection.
true
Audiometry is a test of hearing ability.
true
The aqueous humor is a watery substance in the front region of the eyeball.
true
The ear is responsible for two senses: hearing and balance.
true
The pupil is responsible for admitting the correct amount of light into the eyeball.
true
Which of the following terms refers to dizziness?
vertigo
middle ear
begins at the tympanic membrane and ends at the oval and round window
Which term means surgical repair of the eyelid?
blepharoplasty
auricle
collects sounds waves and directs them toward the auditory meatus
eyelids
helps keep foreign objects from entering the eye
The combining form that means retina is
retin/o
anterior cavity
space between the cornea and lens
The auricle is also called the pinna.
true
sclera
white part of the eye
external auditory canal
S-shaped tube that extends from the auricle to the tympanic membrane
incus
ear ossicle nicknamed the anvil
What area of the brain interprets smell sensations?
olfactory cortex
What are the organs of taste?
taste buds
The sclera is the white of the eye.
true
The tympanic membrane divides the middle ear from the outer ear.
true
All of the following are examples of general senses except ________.
vision
All but one of the following are characteristics of cones. Which is incorrect?
are much more numerous than rods
A combining form that means hearing is
audi/o, acous/o
The ________ connects the nasopharynx and the middle ear.
auditory tube
The combining form that means eyelid is
blephar/o
Cerumen is produced by oil glands in the middle ear.
false
A combining form that means iris is
ir/o
eyebrows
keeps perspiration out of the eye
The combining form that means light is
phot/o
posterior cavity
the space between the lens and retina
Which of the following terms refers to ringing in the ears?
tinnitus
What stimulates a nociceptor?
tissue damage
A suffix that means vision condition is
-opia
What is the range of frequencies for normal speech?
300-4,000 vibrations per second
