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