Chapter 10/12- The Senses (Test Wednesday 2/1)

decibels

measures the intensity of sound

hertz

measures the frequency of sound

the oval window is an opening in the inner ear in contact with the \_____

stapes

mastoid process

round projection on the temporal bone behind the ear

cerumen

earwax

vertigo

sudden dizziness and spinning sensation

objective vertigo

sensation that the room is spinning

subjective vertigo

sensation that you are spinning

tinnitus

ringing in the ears

conductive hearing loss

blockage of sound to the inner ear

ostosclerosis

caused by abnormal or hardened tissue around the oval window in stapes

acoustic neuroma

benign tumor on the 8th cranial nerve

hearing loss, vertigo, and tinnitus are all symptoms of

meinere's disease

otitis media frequently affects

all of the above

otitis media

is infection of the middle ear

meringotomy

implantation of tube to allow drainage of middle ear cavity (may be necessary if person needs drainage)

ostosclerosis can be treated with

stibiotomy

presbycusis

loss of hearing due to age

damage to the \____ cranial nerve

????

spondee

hearing test: stress on each syllable

mastoiditis

infection of hair cells behind external ear

labryrinthitis

inflammation of inner ear

possible complication of middle ear infection, tumor like mass

electronystagmography detects movements of the eye which may relate to

dysfunction in the vestibular area

otorhinolaryngology

study of the ear, nose, and throat

ENT

ear nose and throat

ORL

otorhinolaryngology

sB

TTS

temporary threshold shift

ABR

auditory brainstem response

myopia

nearsightedness

presbyopia

farsightedness due to aging

hyperopia

farsightedness

astigmatism

incorrect lens curvature

glaucoma

increased intraocular pressure

conjuctivitis

pink eye

cataract

clouding/opacity of the lens of the eye, to correct blindness

retinal detachment

separation from underlying layer of the eye

ophthalmia neonatorum

pink eye in newborns

diabetic retinopathy

damage to the retina as a complication of uncontrolled diabetes (associated with diabetes mellitus)

OD

right eye (oculus dexter)

OS

left eye

OU

both eyes (oculus uterque)

IOL

intraocular lens

IOP

intraolcular pressure

rubella during pregnancy may result in

glaucoma

macular degeneration

deterioration of point of sharpest vision due to aging

hordeolum

(stye) red, painful pustule that is a localized infection of hair follicle at eyelid margin

scotoma

diminished vision, blind spot in vision

synechia

adhesion of parts of the eye to each other

ptosis

droopy eyelid

nyctalopia

night blindness (can't see in relatively low light) people with nyctalopia shouldn't drive at night

xanthoma

yellowing on the eyelids

mydriasis

dilation of pupil

zonule

fibers that hold eye in place

lazy eye syndrome in children

one eye is stronger than the other

amblyopia

lazy eye

convergence

eyes are fixed on the same point

mydriatic

agent/drug that dilates the pupil (like eyedrops)

dB

decibels

emmetropia

normal vision