Chapter 16: Special Senses
TRUE AND FALSE
...
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 recording eye movements by measuring electrical activity of the extraocular muscles?
ENG
A common cause of nyctalopia is vitamin D deficiency
False
Macular degeneration is characterized by loss of peripheral vision
False
Otitis media is characterized by the hardening of the bones of the middle ear
False
Removal of the contents of the eye, leaving the sclera and cornea intact, is called enucleation
False
Surgical incision of the cornea is called keratocentesis
False
Tonometry is the test used to assess hearing acuity
False
Which procedure involves examination of the angle of the anterior chamber to diagnose and manage glaucoma?
Gonioscopy
Which abbreviation refers to an inflammation that affects the middle ear, primarily in children?
OM
Which abbreviation refers to the stereoscopic magnified view of the anterior eye structures in detail?
SLE
A complete loss of hearing is called anacusis
True
Cyclodialysis is performed to drain aqueous humor in glaucoma
True
Exotropia is a condition in which the eyes turn outward, causing a divergent squint
True
Inflammation of inner ear structures is called labyrinthitis
True
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
The medical term for stye is hordeolum
True
The process of altering the shape of the lens to enable light to focus on the retina is called
accommodation
A severe, congenital deficiency in color perception is called
achromatopsia
Accessory structures of an organ are called the
adnexa
Lazy eye syndrome is a type of strabismus called
amblyopia
Which classification of drugs treats nausea, vomiting, dizziness, and vertigo?
antiemetics
Defective curvature on the cornea or lens is called
astigmatism
Inflammation of the eyelid is called
blepharitis
Cosmetic surgery to remove fatty tissue about and below the eye is called
blepharoplasty
Downward displacement of the eyelid is called
blepharoptosis
The structure that drains aqueous humor is called the
canal of Schlemm
The inner edge of the eye is called the
canthus
The waxy secretion produced by glands in the ear canal is called
cerumen
A small, hard tumor developing on the eyelid that is somewhat similar to a sebaceous cyst is called
chalazion
The snail-shaped structure of the inner ear responsible for the sense of hearing is the
cochlea
What is the clinical name for a "bionic ear"?
cochlear implant
Which body structure is one of the few that does not contain capillaries?
cornea
The procedure that involves forming an opening between the anterior chamber and the suprachoroidal space for draining of aqueous humor is called
cyclodialysis
Paralysis of the ciliary body is called
cycloplegia
Radiographic imaging of the nasolacrimal glands and ducts is called
dacryocystography
The CF scot/o means
darkness
The CF ot/o means
ear
Eversion, or outward turning, of the edge of the lower eyelid is called
ectropion
Which clinical test assesses movement of the extraocular muscles?
electronystagmography
An abnormal overflow of tears is called
epiphora
Removal of the contents of the eye, while leaving sclera and cornea intact, is called
evisceration
A protrusion of one or both eyeballs from the sockets, commonly associated with hyperthyroidism, is called
exophthalmos
The CF blephar/o means
eyelid
Which diagnostic test assesses blood flow in the retina after injection of a dye?
fluorescein angiography
Excessive intraocular pressure, commonly leading to blindness is called
glaucoma
Tonometry is associated with
glaucoma
The organ of Corti contains tiny nerve endings called the
hair cells
The CF scler/o means
hardening; sclera (white of eye)
The CF audi/o means
hearing
Treatment for neovascular age-related macular degeneration is called
laser photocoagulation
Which area of the retina is responsible for central or "straight-ahead" vision required for reading, driving, detail work, and recognizing faces?
macula
Which condition involves leakage of blood and other fluids from intraocular vessels that destroy vision cells, leading to permanent vision loss?
macular degeneration
The ossicles include the
malleus, incus, and stapes
The CF mastoid/o means
mastoid process
Untreated otitis media can lead to a bone infection called
mastoiditis
Which disorder of the labyrinth leads to progressive loss of hearing?
meniere disease
A visual distortion of objects is called
metamorphopsia
Which classification of drugs dilates the pupils for an internal eye examination or to treat inflammatory eye conditions?
mydriatics
Surgical correction of a perforated eardrum is called
myringoplasty
Radial keratotomy is used in the treatment of
nearsightedness
Night blindness is called
nyctalopia
The CF presby/o means
old age
Which classification of drugs inhibits growth of microorganisms that infect the eye?
ophthalmic antibiotics
Which classification of drugs soothes dry eyes due to environmental irritants and allergens?
ophthalmic moisturizers
Examination of the interior of the eye using an instrument with adjustable lenses and a light source is called
ophthalmoscopy
Optic nerve and blood vessels enter the eye at the
optic disc
Which disorder is an infection of the ear canal commonly associated with swimming?
otitis externa
Corrective surgery for a deformed or small pinna is called
otoplasty
Ankylosis of spongy bone around the oval window is called
otosclerosis
The prefix exo- means
outside, outward
Which condition is a swelling and hyperemia of the optic disc, also called choked disc?
papilledema
Which treatment for cataracts uses ultrasonic waves to disintegrate cloudy lenses?
phacoemulsification
An unusual intolerance to light is called
photophobia
A form of farsightedness associated with aging is called
presbyopia
In which surgical procedure are small incision used to flatten the cornea, thus correcting nearsightedness?
radial keratotomy
The process of bending light rays so they focus on the retina is called
refraction
Which layer of the eye contains the rod and cones?
retina
Which disorder is a neoplastic intraocular disease found primarily in children?
retinoblastoma
The sense of equilibrium is maintained in the car
semicircular canals
Which surgical treatment for otosclerosis implants a prosthetic device that allows sound waves to pass to the inner ear?
stapedotomy
The CF phac/o means
stapes
The CF dacry/o means
tear; lacrimal apparatus (duct, sac, or gland)
A perceived ringing sound in the ears is called
tinnitus
A chronic, contagious form of conjunctivitis that typically leads to blindness is called
trachoma
The CF salping/o means
tubes (usually fallopian or eustachian [auditory] tubes)
The suffix -tropia means
turning
The malleus, incus, and stapes are located in the
tympanic cavity
The CF myring/o means
tympanic membrane (eardrum)
Insertion of a tube through the eardrum to drain the middle ear is called
tympanostomy
A treatment for unresponsive, recurrent episodes of otitis media is
ventilation tubes
Sensation of a spinning motion either of oneself or of the surroundings is a condition called
vertigo
The suffix -opsia means
vision
Which eye test determines the smallest letters that can be read on a standardized chart at a distance of 20 feet?
visual acuity
The CF vitr/o means
vitreous body (of eye)
Which classification of drugs loosens and helps remove impacted cerumen?
wax emulsifiers
Which tuning fork test evaluates bone conduction of sound in both ears at the same time?
weber
