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Medical Terminology > Unit 3 - Ear > Flashcards

Unit 3 - Ear Flashcards

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USMLE® Step 1 flashcards
1
Q

ot/o
auricul/o
aur/o

A

ear

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2
Q

myring/o

A

tympanic membrane

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3
Q

salping/o

A

auditory tube; eustachian

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4
Q

cochle/o

A

cochlea

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5
Q

acous/o

A

hearing

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6
Q

audi/o

A

hearing; sense of hearing

audiogram - record of sense of hearing

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7
Q

audit/o

A

hearing

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8
Q

-cusis

A

hearing

presbycusis - diminished hearing in old age

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9
Q

-otia

A

ear condition
macrotia - large ears
microtia - small ears

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10
Q

otomycosis

A

abnormal condition of ear & fungus

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11
Q

myringotomy

A

cutting of tympanic membrane

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12
Q

myringitis

A

inflammation of tympanic membrane

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13
Q

otopyorrhea

A

py/o = pus

flow or discharge of pus from ear

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14
Q

ossiculoplasty

A

surgical repair of ossicle

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15
Q

audiogram

A

record of hearing test

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16
Q

audiometer

A

measures hearing

17
Q

audiometry

A

process of recording hearing

18
Q

otoscopy

A

visual examination of ear w/otoscope

19
Q

AD

A

right ear

20
Q

AS

A

left ear

21
Q

AU

A

both ears

22
Q

ENT

A

ear, nose and throat

23
Q

EENT

A

eyes, ear, nose and throat

24
Q

outer ear includes:

A 
pinna (auricle)
auditory canal (external auditory meatus) - produces cerumen that lubricates and protects the ear
25
Q

middle ear includes:

A

Tympanic membrane
Ossicles - 3 small bones
1. malleus
2. incus
3. stapes (staped/o - middle ear bone)
Oval window - separates middle ear from inner ear
Eustachian Tube - leads from middle ear to pharynx

26
Q

inner ear includes:

A

“labrinth”

  • Cochlea -
    1. Auditory liquids (perilymph, endolymph, vibrations travel thru liquids
    2. Organ of Corti - sensitive auditory receptor
  • Auditory Nerve Fiber - leads to brain for hearing
  • Function of Vestibule - connects cochlea to 3 semicircular canals for balance
  • Organ for Equilibrium - semicircular canals contain 2 membranous sacs - SACCULE and UTRICLE
27
Q

Types of Deafness

A
  1. Conduction deafness - impairment of middle ear ossicles and membranes that transmit sound waves into the cochlea (sound never got there)
  2. Nerve deafness - impairment of the cochlea or auditory nerve
  3. Noise induced deafness - headphones; loud noises
28
Q

otitis media

A

infection by staphylococcus or streptococcus

29
Q

tinnitus

A

ringing sound in the ear

symptom - not disease

30
Q

vertigo

A

dizziness

31
Q

Meniere’s Disease

A

disorder of the inner ear marked y elevated endolymph pressure. Symptoms include tinnitus & vertigo & loss of hearing

32
Q

otosclerosis

A

bone growth around oval window & stapes leading to inner ear causing improper conduction of vibration. Correct w/stapedectomy

Medical Terminology (21 decks)

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