Ch. 16 Med Term

Accessory structures of an organ are called the
adnexa

Optic nerve and blood vessels enter the eye at the
optic disc

The snail-shaped structure of the inner ear responsible for the sense of hearing is the
cochlea

The process of bending light rays so they focus on the retina is called
refraction

Which area of the retina is responsible for central or “straight-ahead” vision required for reading, driving, detail work, and recognizing faces?
macula

The malleus, incus, and stapes are located in the
tympanic cavity

The ossicles include the
malleus, incus, and stapes

The process of altering the shape of the lens to enable light to focus on the retina is called
accommodation

Which layer of the eye contains the rod and cones?
retina

The waxy secretion produced by glands in the ear canal is called
cerumen

The inner edge of the eye is called the
canthus

The structure that drains aqueous humor is called the
canal of Schlemm

Which body structure is one of the few that does not contain capillaries?
cornea

The sense of equilibrium is maintained in the car
semicircular canals

The organ of Corti contains tiny nerve endings called the
hair cells

The CF blephar/o means
eyelid

The CF dacry/o means
tear; lacrimal apparatus (duct, sac, or gland)

The CF phac/o means
stapes

The CF presby/o means
old age

The CF audi/o means
hearing

The CF salping/o means
tubes (usually fallopian or eustachian [auditory] tubes)

The CF myring/o means
tympanic membrane (eardrum)

The suffix -opsia means
vision

The suffix -tropia means
turning

The prefix exo- means
outside, outward

The CF mastoid/o means
mastoid process

The CF scot/o means
darkness

The CF vitr/o means
vitreous body (of eye)

The CF scler/o means
hardening; sclera (white of eye)

The CF ot/o means
ear

Sensation of a spinning motion either of oneself or of the surroundings is a condition called
vertigo

Which condition is a swelling and hyperemia of the optic disc, also called choked disc?
papilledema

Ankylosis of spongy bone around the oval window is called
otosclerosis

Which condition involves leakage of blood and other fluids from intraocular vessels that destroy vision cells, leading to permanent vision loss?
macular degeneration

Inflammation of the eyelid is called
blepharitis

Which disorder is a neoplastic intraocular disease found primarily in children?
retinoblastoma

A small, hard tumor developing on the eyelid that is somewhat similar to a sebaceous cyst is called
chalazion

A severe, congenital deficiency in color perception is called
achromatopsia

Night blindness is called
nyctalopia

A protrusion of one or both eyeballs from the sockets, commonly associated with hyperthyroidism, is called
exophthalmos

Excessive intraocular pressure, commonly leading to blindness is called
glaucoma

Defective curvature on the cornea or lens is called
astigmatism

Lazy eye syndrome is a type of strabismus called
amblyopia

Downward displacement of the eyelid is called
blepharoptosis

Paralysis of the ciliary body is called
cycloplegia

A form of farsightedness associated with aging is called
presbyopia

Untreated otitis media can lead to a bone infection called
mastoiditis

A perceived ringing sound in the ears is called
tinnitus

A chronic, contagious form of conjunctivitis that typically leads to blindness is called
trachoma

An unusual intolerance to light is called
photophobia

Which disorder of the labyrinth leads to progressive loss of hearing?
meniere disease

Which disorder is an infection of the ear canal commonly associated with swimming?
otitis externa

Eversion, or outward turning, of the edge of the lower eyelid is called
ectropion

An abnormal overflow of tears is called
epiphora

A visual distortion of objects is called
metamorphopsia

Removal of the contents of the eye, while leaving sclera and cornea intact, is called
evisceration

In which surgical procedure are small incision used to flatten the cornea, thus correcting nearsightedness?
radial keratotomy

The procedure that involves forming an opening between the anterior chamber and the suprachoroidal space for draining of aqueous humor is called
cyclodialysis

Insertion of a tube through the eardrum to drain the middle ear is called
tympanostomy

Which diagnostic test assesses blood flow in the retina after injection of a dye?
fluorescein angiography

Cosmetic surgery to remove fatty tissue about and below the eye is called
blepharoplasty

Radial keratotomy is used in the treatment of
nearsightedness

Tonometry is associated with
glaucoma

What is the clinical name for a “bionic ear”?
cochlear implant

Corrective surgery for a deformed or small pinna is called
otoplasty

Which treatment for cataracts uses ultrasonic waves to disintegrate cloudy lenses?
phacoemulsification

Surgical correction of a perforated eardrum is called
myringoplasty

Which clinical test assesses movement of the extraocular muscles?
electronystagmography

Which procedure involves examination of the angle of the anterior chamber to diagnose and manage glaucoma?
Gonioscopy

Examination of the interior of the eye using an instrument with adjustable lenses and a light source is called
ophthalmoscopy

Which tuning fork test evaluates bone conduction of sound in both ears at the same time?
weber

Which surgical treatment for otosclerosis implants a prosthetic device that allows sound waves to pass to the inner ear?
stapedotomy

A treatment for unresponsive, recurrent episodes of otitis media is
ventilation tubes

Radiographic imaging of the nasolacrimal glands and ducts is called
dacryocystography

Which eye test determines the smallest letters that can be read on a standardized chart at a distance of 20 feet?
visual acuity

Treatment for neovascular age-related macular degeneration is called
laser photocoagulation

Which classification of drugs dilates the pupils for an internal eye examination or to treat inflammatory eye conditions?
mydriatics

Which classification of drugs inhibits growth of microorganisms that infect the eye?
ophthalmic antibiotics

Which classification of drugs loosens and helps remove impacted cerumen?
wax emulsifiers

Which classification of drugs treats nausea, vomiting, dizziness, and vertigo?
antiemetics

Which classification of drugs soothes dry eyes due to environmental irritants and allergens?
ophthalmic moisturizers

Which abbreviation refers to the stereoscopic magnified view of the anterior eye structures in detail?
SLE

Which abbreviation refers to recording eye movements by measuring electrical activity of the extraocular muscles?
ENG

Which abbreviation refers to the conduction of sound waves through air?
AC

Which abbreviation refers to the visual disorder that produces multiple focal points on the retina?
Ast

Which abbreviation refers to an inflammation that affects the middle ear, primarily in children?
OM

TRUE AND FALSE

Macular degeneration is characterized by loss of peripheral vision
False

Recurrent episodes of otitis media may cause scarring of the tympanic membrane, resulting in hearing loss
True

Some forms of glaucoma are secondary to other disorders, including injury, infection, and surgery
True

Inflammation of inner ear structures is called labyrinthitis
True

The medical term for stye is hordeolum
True

Exotropia is a condition in which the eyes turn outward, causing a divergent squint
True

Otitis media is characterized by the hardening of the bones of the middle ear
False

A common cause of nyctalopia is vitamin D deficiency
False

A complete loss of hearing is called anacusis
True

Surgical incision of the cornea is called keratocentesis
False

Tonometry is the test used to assess hearing acuity
False

Cyclodialysis is performed to drain aqueous humor in glaucoma
True

Removal of the contents of the eye, leaving the sclera and cornea intact, is called enucleation
False

Sclerostomy is commonly performed on the anterior chamber to relieve pressure associated with glaucoma
True

Gonioscopy is the usual procedure in diagnosing glaucoma
False

Antiemetics are commonly prescribed to treat vertigo
True

Ophthalmic decongestants temporarily relieve the itching and minor irritation associated with allergies
True

Mydriatics constrict the pupil in preparation for internal eye examinations
False

The abbreviation NIHL refers to hearing loss due to exposure to loud noises
True

The abbreviation IOL refers to an artificial lens used to treat cataracts
True

MATCHING

hearing
audi/o

angle
goni/o

pupil
core/o

ciliary body of the eye; circular; cycle
cycl/o

old age
presby/o

tear; lacrimal apparatus (duct, sac, or gland)
dacry/o

ear
ot/o

water
aque/o

tympanic membrane (eardrum)
myring/o

darkness
scot/o

cornea
corne/o

vitreous body (of the eye)
vitr/o

eye, vision
opt/o

dull, dim
ambly/o

retina
retin/o

gray
glauc/o

stapes
staped/o

choroid
choroid/o

lens
phac/o

iris
irid/o

conjunctiva
conjunctiv/o

tubes (usually fallopian or eustachian [auditory] tubes)
salping/o

horny tissue; hard; cornea
kerat/o

light
phot/o

eyelid
blephar/o

eye
ophthalm/o

screening test that measures the blood pressure of the retinal vessels
ophthalmodynamometry

form of ametropia where light rays diffuse over a large area of the retina rather than being sharply focused
astigmatism

disease characterized by opacities that form on the lens and impair vision
cataracts

severe congenital deficiency in color perception
achromatopsia

hallucination of movement or a feeling of spinning or dizziness
vertigo

instrument that provides a stereoscopic, magnified view of anterior eye structures
slit lamp

instrument used to evaluate eye pressure in glaucoma
tonometer

tuning fork test to evaluate bone conduction of sound in both ears at the same time
weber

method of treating cataracts using ultrasonic waves to disintegrate cloudy lenses
phacoemulsification

abnormal overflow of tears
epiphora

small yellowish deposits on the macula in age-related macular degeneration
drusen

neoplastic disease of the eye found primarily in children
retinoblastoma

perception of ringing in the ears with no external stimuli
tinnitus

disorder commonly called “lazy eye syndrome”
amblyopia

disorder of misaligned eyes that do not focus simultaneously on an object
strabismus

condition caused by the eyeball being too long, causing the image to fall in front of the retina
myopia

impairment of hearing that results from old age
presbyacusis

procedure performed to insert pressure-equalizing tubes through the eardrum
tympanostomy

area of diminished vision in the visual field
scotoma

physician who specializes in medical and surgical treatments of eye diseases
ophthalmologist

procedure that helps differentiate open- and closed-angle glaucoma
gonioscopy

intolerance to light commonly found in meningitis, inflammation of the eyes, measles, and rubella
photophobia

disorder commonly caused by blunt trauma to the eye
phacocele

tuning fork test that evaluates bone conduction versers air conduction of sounds
rinne

disorder treated by removal of the stapes and implantation of a prosthetic device
otosclerosis

abnormal turning outward of one or both eyes
exotropia

SENTENCE COMPLETION

Use phac/o to build a word that means herniation of the lens
phacocele

Use ocul/o to build a word that means pertaining to the eye
ocular

Use retin/o to build a word that means abnormal condition of the retina
reinosis

Use scler/o to build a word that means softening of the sclera
scleromalacia

Use ophthalmic/o to build a word that means specialist in the study of the eyes
ophthalmologist

Use audi/o to build a word that means instrument for measuring hearing
audiometer

Use -cusis to build a word that means (poor) hearing (due to) old age
presbycusis

Use eso- to build a word that means turning inward (of one of both eyes)
esotropia

Use tympan/o to build a word that means forming an opening (mouth) in the eardrum
tympanostomy

Use myring/o to build a word that means surgical repair of the eardrum
myringoplasty

Use -opia to build a word that means double vision
diplopia

Use pupill/o to build a word that means process of recording (movement of) the pupil
pupillography

Use -opia to build a word that means dim or dull vision
amblyopia

Build a word that means inflammation of the choroid
choroiditis

Build a word that means surgical repair of the eyelids
blepharoplasty

Build a word that means inflammation of the conjunctiva
conjunctivitis

Build a word that means discharge from the ears
otorrhea

Build a word that means visual examination of the retina
retinoscopy

Build a word that means abnormal condition of the ear (caused by) fungi
otomycosis

Build a word that means excision of the stapes
stapedectomy

Build a word that means downward displacement or prolapse of the eyelid
blepharoptosis

Build a word that means inflammation of the cornea
corneitis

Build a word that means paralysis of the ciliary body
cycloplegia

Build a word that means double vision
diplopia

Tagged In :

Get help with your homework


image
Haven't found the Essay You Want? Get your custom essay sample For Only $13.90/page

Sarah from studyhippoHi there, would you like to get such a paper? How about receiving a customized one?

Check it out