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Med Term > Block 2 Chp. 11 The Ear > Flashcards

Block 2 Chp. 11 The Ear Flashcards

1
Q

acous/o

A

hearing

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2
Q

audi/o

A

hearing

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3
Q

aer/o

A

air or gas

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4
Q

aur/i

A

ear

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5
Q

ot/o

A

ear

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6
Q

cerumin/o

A

wax

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7
Q

salping/o

A

Eustachian tube or uterine tube

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8
Q

tympano/o

A

eardrum

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9
Q

myring/o

A

eardrum

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10
Q

-acusis

A

hearing condition

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11
Q

external ear

A

outer structures of the ear that collect sound

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12
Q

pinna

A

auricle (little ear); projected part of the external ear

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13
Q

external auditory meatus or canal

A

external passage for sounds collected from the pinna to the tympanum

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14
Q

cerumen

A

a waxy substance secreted by glands located throughout the external canal

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15
Q

middle ear

A

Structures in the middle of the ear that vibrate sound from the tympanic membrane to the inner ear.

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16
Q

tympanic membrane (TM)

A

eardrum; drum-like structure that receives sound collected in the external auditory canal and amplifies it through the middle ear

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17
Q

malleus

A

hammer; first of the three auditory ossicles of the middle ear

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18
Q

incus

A

anvil; middle of the three auditory ossicles of the middle ear

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19
Q

stapes

A

stirrup; last of the three auditory ossicles of the middle ear

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20
Q

eustachian tube

A

tube connecting the middle ear to the pharynx (throat)

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21
Q

auditory tube

A

Eustachian tube

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22
Q

oval window

A

membrane that covers the opening between the middle ear and inner ear

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23
Q

inner ear

A

intricate, fluid-filled, intercommunicating bony and membranous passages that function in hearing by relaying sound waves to auditory nerve fibers on a path to the brain for interpretation; also sense body movements and position to maintain balance and equilibrium

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24
Q

labyrinth

A

inner ear

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25
Q

cochlea

A

coiled tubular structure of the inner ear that contains the organ of Corti

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26
Q

perilymph

A

fluid that fills the bony labyrinth of the inner ear

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27
Q

endolymph

A

fluid within the membranous labyrinth of the inner ear

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28
Q

organ of Corti

A

structure located in the cochlea; contains receptors (hair cells) that receive vibrations and generate nerve impulses for hearing

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29
Q

vestibule

A

middle part of the inner ear, in front of the semicircular canals and behind the cochlea, that contains the utricle and the saccule; functions to provide body balance and equilibrium

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30
Q

utricle

A

the larger of two sacs within the membranous labyrinth of the vestibule in the inner ear

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31
Q

saccule

A

the smaller of two sacs within the membranous labyrinth of the vestibule in the inner ear

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32
Q

semicircular canals

A

three canals within the inner ear that contain specialized receptor cells that generate nerve impulses with body movement

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33
Q

otalgia

A

earache

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34
Q

otodynia

A

earache

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35
Q

otorrhagia

A

bleeding from the ear

36
Q

otorrhea

A

purulent (consisting of/containing pus) drainage from the ear

37
Q

tinnitus

A

a jingling; a ringing or buzzing in the ear

38
Q

vertigo

A

a turning round; dizziness

39
Q

otitis externa

A

inflammation of the external auditory meatus

40
Q

cerumen impaction

A

excessive buildup of wax in the ear that often reduces hearing acuity, especially in elderly persons

41
Q

myringitis

A

inflammation of the eardrum

42
Q

tympanitis

A

inflammation of the eardrum

43
Q

otitis media

A

inflammation of the middle ear

44
Q

aerotitis media

A

inflammation of the middle ear from changes in atmospheric pressure; often occurs with frequent air travel

45
Q

Eustachian obstruction

A

blockage of the Eustachian tube, usually as a result of infection, as in otitis media

46
Q

otosclerosis

A

hardening of the bony tissue in the ear

47
Q

acoustic neuroma

A

benign tumor on the auditory nerve (8th cranial nerve) that causes vertigo, tinnitus, and hearing loss

48
Q

labyrinthitis

A

inflammation of the labyrinth (inner ear)

49
Q

Meniere disease

A

disorder of the inner ear resulting from an excessive buildup of endolymphatic fluid, causing episodes of vertigo, tinnitus, nausea, vomiting, and hearing loss; one or both ears can be affected, and attacks vary in both frequency and intensity

50
Q

deafness

A

general term for partial or complete loss of hearing

51
Q

conductive hearing loss

A

hearing impairment caused by interference with sound or vibratory energy in the external canal, middle ear, or ossicles

52
Q

sensorineural hearing loss

A

hearing impairment caused by lesions of dysfunction of the cochlea or auditory nerve

53
Q

mixed hearing loss

A

combination of sensorineural and conductive hearing loss

54
Q

presbyacusis

A

hearing impairment in old age

55
Q

presbycusis

A

hearing impairment in old age

56
Q

audiometry

A

process of measuring hearing

57
Q

audiometer

A

instrument to measure hearing

58
Q

audiogram

A

record of hearing measurement

59
Q

audiologist

A

health professional who specializes in the study of hearing impairments

60
Q

auditory acuity testing

A

physical assessment of hearing; useful in differentiating between conductive and sensorineural hearing loss

61
Q

tuning fork

A

a two-pronged, fork-like instrument that vibrates when struck; used to test hearing, especially bone conduction

62
Q

brainstem auditory evoked potential (BEAP)

A

electrodiagnostic testing that uses computerized equipment to measure involuntary responses to sound within the auditory nervous system; commonly used to assess hearing in newborns

63
Q

brainstem auditory evoked response (BAER)

A

same as BEAP

64
Q

otoscopy

A

use of an otoscope to examine the external auditory canal and tympanic membrane

65
Q

pneumatic otoscopy

A

otoscopic observation of the tympanic membrane as air is released into the external auditory meatus; immobility indicates the presence of middle ear effusion (fluid buildup), as occurs as a result of otitis media

66
Q

tympanometry

A

measurement of the compliance and mobility (conductibility) of the tympanic membrane and ossicles of the middle ear by monitoring the response to external airflow pressures

67
Q

microsurgery

A

surgery with the use of a microscope used on delicate tissue, such as the ear

68
Q

myringotomy

A

incision into the eardrum, most often for insertion of a small polythylene (PE) tube to keep the canal open and prevent fluid buildup, such as occurs in otitis media

69
Q

tympanostomy

A

same as myringotomy

70
Q

otoplasty

A

surgical repair of the external ear

71
Q

stapedectomy

A

excision of the stapes to correct otosclerosis

72
Q

tympanoplasty

A

vein graft of a scarred tympanic membrane to improve sound conduction

73
Q

auditory prosthesis

A

any internal or external device that improves or substitutes for natural hearing

74
Q

hearing aid

A

an external amplifying device designed to improve hearing by more effective collection of sound into the ear

75
Q

cochlear implant

A

an electronic device implanted in the cochlea that provides sound perception to patients with severe or profound sensorineural (nerve) hearing loss in both ears

76
Q

ear lavage

A

irrigation of the external ear canal, often to remove excessive buildup of cerumen

77
Q

ear instillation

A

introduction of a medicated solution into the external canal, usually administered by drop (gt) or drops (gtt) in the affected ears.

78
Q

antibiotic

A

a drug that inhibits the growth of or destroys microorganisms; used to treat diseases caused by bacteria

79
Q

antihistamine

A

a drug that blocks the effects of histamine

80
Q

histamine

A

a regulatory body substance released in allergic reactions, causing swelling and inflammation of tissues; seen in hay fever and urticaria (hives)

81
Q

antiinflammatory

A

a drug that reduces inflammation

82
Q

decongestant

A

a drug that reduces congestion and swelling of membranes, such as those of the nose and Eustachian tube in an infection

83
Q

BAEP

A

brainstem auditory evoked potential

84
Q

BAER

A

brainstem auditory evoked response

85
Q

ENT

A

ear, nose, and throat

86
Q

PE

A

polyethylene

87
Q

TM

A

tympanic membrane

Med Term (6 decks)

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