CH. 16 Eye and Ear Disorders
Ear wax is also called ____________
cerumen
The layer between the sclera and the retina containing blood vessels is called the __________ layer
choroid
The official organ of hearing is called the _________
cochlea
__________ is an inflammation of the conjunctiva, the pink membrane lining the inner eyelids.
conjunctivitis
Define purulent
containing pus
The clear tissue that covers the pupil and iris is called the ___________
cornea
Refractive errors can be corrected by shrinking connective tissue with radio waves and the procedure is called: a. RK b. ALK c. ICL d. CK
d. CK
What is a common cause of conductive hearing loss? a. Presbycusis b. Sensorineural deafness c. Ménière's disease d. Impacted cerumen
d. Impacted cerumen
What surgical procedure is used to correct myopia? a. Monovision b. Thermal keratoplasty (TK) c. Conductive keratoplasty d. Radial keratotomy
d. Radial keratotomy
What diagnostic test measures the pressure inside the eye? a. Angiography b. Audiometry c. Slit-Lamp Exam d. Tonometry
d. Tonometry
Progressive sensory hearing loss related to aging is known as: a. sensorineural deafness b. Ménière's disease c. otosclerosis d. presbycusis
d. presbycusis
The receiving area of the brain for auditory impulses is in the: a. occipital lobe b. cochlea c. tympanic cavity d. temporal lobe
d. temporal lobe
Common signs and symptoms of ear disease are ear pain, ________, dizziness, and ringing in the ears.
deafness
Define diplopia
double vision
The __________ covers the anterior portion of the eyeball.
eyelids
Glaucoma is a chronic disease caused by ________
increased intraocular pressure
The round disk of muscles that gives the eye its color is the ___________
iris
_____________ glands clean and moisten the eye.
lacrimal
Define amblyopia
lazy eye; decrease in vision due to lack of stimuli
The clear fibers enclosed in a membrane that refract and focus light to the retina is (are) called the __________
lens
__________ is a degeneration of the macular area of the retina, important in seeing fine details.
macular degeneration
The __________ ear is also called the tympanic cavity.
middle
Myopia is commonly called __________ or shortsightedness.
nearsightedness
The _________ is the instrument used for the basic examination of the eye.
ophthalmoscope
Ear pain is also called ________
otalgia
Motion sickness is due to disruption of the balance mechanisms in the inner ear within the ___________ canals
semicircular
The middle ear contains three tiny bones, the malleus or hammer, the incus or anvil, and the ____________ or stirrups
stapes
There are __________ cranial nerves that innervate the eye and its structures.
6
__________ is a grayish opaque ring around the cornea caused by fatty deposits or hyaline degeneration of the cells of the corneal and is associated with aging.
Arcus senillis
____________ is a chronic disease of the ear causing vertigo, tinnitus, progressive hearing loss and a feeling of fullness in the ear.
Meniere's disease
Visual acuity is measured using a(n) ___________ eye chart with the patient standing 20 feet from the chart.
Snellen
___________ is ringing in the ears.
Tinnitus
What diagnostic test is used to discover vessel disease and problems with blood flow to the eye? a. Angiography b. Audiometry c. Slit-lamp exam d. Tonometry
a. Angiography
Which procedure uses mild heat from radio waves to shrink connective tissue (collagen) around the edge of the cornea? a. CK b. RK c. ALK d. ICL
a. CK
Which part of the eye is affected by blepharitis? a. Edge of the eyelid b. Cornea c. Sebaceous gland of the eyelid d. Pink membrane lining the inner eyelid
a. Edge of the eyelid
What part of the ear picks up sound waves? a. Pinna b. Tympanic membrane c. Cochlea d. Semicircular canals
a. Pinna
Age-related macular degeneration (AMD) is the leading cause of severe vision loss and blindness in the older adult. a. True b. False
a. True
Chronic otitis media, both forms, might need surgical removal of fluid by myringotomy. a. True b. False
a. True
Strabismus is often incorrectly referred to as lazy eye and as crossed eye or cockeye. a. True b. False
a. True
The slow but gradual loss of hearing is called presbycusis. a. True b. False
a. True
A common condition characterized by excessive pressure inside the eye from the fluid inside the eye is: a. glaucoma b. cataracts c. diabetic retinopathy d. macular degeneration
a. glaucoma
Otitis externa and a ruptured tympanic membrane can be diagnosed using the: a. otoscope b. tonometry c. Snellen chart d. ophthalmoscope
a. otoscope
A common treatment for otosclerosis is a: a. stapedectomy b. myringotomy c. tympanostomy d. mastoidectomy
a. stapedectomy
Corneal _________ can be caused by a foreign object scratching the eye.
abrasions
Common signs and symptoms of eye disease include pain or burning, decreased visual ____________, any visual disorder such as seeing flashes of light and eye redness.
acuity
The space between the cornea and the iris is called the _______________
anterior chamber
A basic test for hearing is called a(n) ____________
audiometry
How far from the Snellen eye chart does the patient stand for testing for visual acuity? a. 10 feet b. 20 feet c. 30 feet d. 40 feet
b. 20 feet
Age related vision changes in adults start to occur at what age? a. 20 years b. 40 years c. 60 years d. 80 years
b. 40 years
Age-related vision changes begin around what age? a. 20 years b. 40 years c. 60 years d. 80 years
b. 40 years
Arcus senilis rarely occurs in the older adult. a. True b. False
b. False
Mastoiditis, also called swimmer's ear, is an inflammation of the external ear canal. a. True b. False
b. False
There are several new drugs on the market to treat age-related macular degeneration, and the Food and Drug Administration recently approved an implantable miniature ophthalmoscope. a. True b. False
b. False
Which refractive error causes the inability to see close objects? a. Myopia b. Hyperopia c. Presbyopia d. Astigmatism
b. Hyperopia
What part of the eye consists of clear fibers enclosed in a membrane that refract and focus light to the retina? a. Posterior sclera b. Lens c. Iris d. Cornea
b. Lens
What is the most common color vision defect? a. Blue-yellow b. Red-green color c. Complete absence of color vision d. Shades of green
b. Red-green color
Where in the brain is the receiving area for auditory impulses? a. Occipital lobe b. Temporal lobe c. Cochlea d. Tympanic cavity
b. Temporal lobe
Movement of fluid in the semicircular canals can cause symptoms of: a. flashes of light b. dizziness c. photophobia d. progressive sensory hearing loss
b. dizziness
Tonometry measures: a. visual acuity b. pressure inside the eye c. blood flow to the eye d. pruritus
b. pressure inside the eye
The thick gelatinous material contained within the posterior cavity of the eye is called: a. aqueous humor b. vitreous humor c. conjunctivae d. posterior sclera
b. vitreous humor
Which part of the eye is affected by keratitis? a. Sebaceous gland of the eyelid b. Edge of the eyelid c. Cornea d. Pink membrane lining the inner eyelid
c. Cornea
What disorder or disease is the leading cause of blindness in the United States? a. Glaucoma b. Cataracts c. Diabetic retinopathy d. Macular degeneration
c. Diabetic retinopathy
What condition commonly affects children and is usually the result of a middle-ear infection? a. Ménière's disease b. Presbycusis c. Mastoiditis d. Otosclerosis
c. Mastoiditis
What chronic disease of the inner ear is characterized by tinnitus, vertigo, progressive hearing loss, and a feeling of fullness in the ear? a. Presbycusis b. Senorineural deafness c. Meniere's Disease d. Otosclerosis
c. Meniere's Disease
The primary symptoms of strabismus are double vision and: a. loss of central vision b. photophobia c. altered eye movement d. excessive tearing and itching
c. altered eye movement
The inability to see close objects is known as: a. myopia b. presbyopia c. hyperopia d. astigmatism
c. hyperopia
The posterior cavity of the eyeball is filled with a thick, gelatinous material called: a. aqueous humor b. conjunctivae c. vitreous humor d. posterior sclera
c. vitreous humor
An inflammation of the middle ear is called __________
otitis media
Hearing loss can be due to a hardening of the bones of the ear, called __________
otosclerosis
_________ is a condition characterized by bony fixation of the small bones of the middle ear.
otosclerosis
A(n) __________ is the instrument used for a basic examination of the ear.
otoscope
The tympanic membrane can rupture, also called a(n) _____________
perforated eardrum
__________ is also known as the outer ear.
pinna
__________ is a progressive hearing loss due to aging and can often be improved with the use of a hearing aid.
presbycusis
Glaucoma is characterized by excessive _________ inside the eye from the fluid inside the eye, known as aqueous humor.
pressure
Symptoms of swimmer's ear or otitis externa include inflamed ear canal, pain, fever, ___________(itching), and hearing loss.
pruritus
The round opening in the iris that changes its size as the iris reacts to light and dark is the _______________
pupil
Define suppurative
pus forming
Most _________ errors can be corrected with prescriptive lenses and laser surgery.
refractive
Define enucleation
removal of the eyeball
The inside layer of the posterior part of the eye that receives light rays is the ______________
retina
The mechanism for vision occurs after the impulses leave the _____________ and travel through the optic nerves to the brain.
retina
A serious condition of the retina in which it peels away from the underlying tissue is called __________ and can lead to blindness if the entire retina is involved.
retinal detachment
The white area covering the outside of the eye except over the pupil and iris is called the __________
sclera
The __________ and inferior rectus muscles move the eyeball up and down.
superior
Define myringotomy
surgical incision into the eardrum, to relieve pressure or drain fluid.
A(n) _____________ measures the pressure inside the eye.
tonometry
Another name for the eardrum is the ____________
tympanic membrane
The eardrum is also known as the ___________
tympanic membrane
The external ear and middle ear are separated by the _________
tympanic membrane
Dizziness is also called _________
vertigo