Intro to Audiology Flashcards

717512457	Intensity	Perception of loudness	1
717512458	Cycle	One complete period of sound wave	2
717512459	Period	the length of time for a sine wave	3
717512460	Frequency	the number of cycles happening in one second	4
717512461	Pitch	Perception of freq	5
717512462	Hertz	(Hz) Unit of measure	6
717512463	Decibal	How we measure loudness of sound	7
717512464	SPL	Sound Pressure Level	8
717512465	Octave	freq interval between 1 tone and a tone twice the freq	9
717512466	Pure Tone	sound wave with only one tone of vib	10
717512467	complex sound	a wave that is not sinusoidal	11
717512468	Parts of the Outer Ear	Pinna or Auricle Ear Canal Tempanic Membrane	12
717512469	Parts of the Pinna	Helix, Lobule, and Concha, Tragus	13
717512470	Ear Canal	Narrow and not straight 23-29 mm long houses outer layer of the TM	14
717512471	3 layers the TM	Skin Fiber Mucus	15
717512472	2 parts to the TM	Pars Flacidia Pars Tensa	16
717512473	Umbo	a point to which skin regenerates itself	17
717512474	Bones of middle ear	Mallius Incus Stapes	18
717512475	3 terms for the bones of the middle ear	Hammer Anvil and the Stirrup	19
717512476	Eustation Tube	tube that drains to the nasopharynx and equalizes pressure.	20
717512477	ET	Eustation Tube	21
717512478	Annular Ligiment is attached to	Tensor Tympani- attached to the stapeduis muscle	22
717512479	Job of the middle ear	matches the energy transfer from the air for the outer ear to the fluid of the middle ear. impedience matching	23
717512480	Petrous Bone	Hardest Bone of the body. Contains the cochlea and Vestibular portion of the ears	24
717512481	Cochlea	-fluid filled tunnels out of the bone and looks like a snail shell -2.5 turns	25
717512482	Scalia Media	Has the membraneous cochlear partition Endolymph fluid	26
717512483	Thepartition then has a top and bottom "cavity" called?	Scala Vestibuli(top) and ScalaTympani (bottom). They meet at the Helicotrema.	27
717512484	ScalaTympani and Scala Vestibule fluid?	Perilymph fluid	28
717512485	oval window is located	Scala Vestibuli	29
717512486	round window is located	Scala Tympani	30
717512487	Reisner's membrane	the top covering of partition of the Scala Media	31
717512488	Basilar's membrane	the base of the partition	32
717512489	Organ of corti	Ridingon the Basilar'smembrane. containsthe sensory cell for hearing	33
717512490	outer hair cells	-Elongated -embedded in TM -three rows -innervated by efferent (motor) nerve fibers	34
717512491	inner hair cells	-elongated but bulbus at bottom -single row -free standing -innervated mostly by afferent (sensory) nerve fibers	35
717512492	C-S-L-I-M	C- Cochlear Nuclus S- Supior OlivaryComplex L- LateralLemniscus I- InferiorColliculus M- medial geniculate	36
717512493	when can a hearing disorder happen	-anytime in life -can be caused by an abnormality in a growing embryo -a newborn or young child -adult or elderly	37
717512494	Auditory Pathologies Categories	toxins (drugs, alcohol) trauma infection tumor and neoplastic growth	38
717512495	acquired hearing loss	-meningitis -chronic untreated ear infection -measles -mumps	39
717512496	Sensorineural Hearing loss	hearing loss caused by damage to the cochlea's receptor cells or to the auditory nerves; also called nerve deafness.	40
717512497	congenital hearing loss	hearing loss present at birth.	41
717512498	CMV	cytomegalo virus	42
717512499	carhart notch	frequently found in pts w/ otosclerosis, is a pattern of bone-conduction thresholds characterized by reduced bone-conduction sensitivity predominantly at 2000 Hz.	43
717512500	microtia	small ear- may not always cause hearing loss	44
717512501	atresa	absence of the ear. may effect one or both ears causes conductive hearing loss as great as 60 db	45
717512502	auricular malformations	anotia preauricular pits tags	46
717512503	anotia	absence of pinna	47
717512504	cholesteatoma	skin cyst located in the middle ear and skull bone (mastoid)	48
717512505	ceruminosis	excessive wax formation	49
717512506	stenosis	narrowing of the ear canal	50
717512507	otitis externa	inflammation of the external ear (including auricle and ear canal)	51
717512508	otitis media	inflammation of the middle ear.	52
717512509	carcinoma	any malignant tumor derived from epithelial tissue	53
717512510	glomus tumor	found in middle ear very vascularized causes pulsatile tinnitus	54
717512511	3 hearing disorders	congenital inherited acquired	55
717512512	exogenous	causes of something from outside the body	56
717512513	endogenous	actually inherited	57
717512514	teratogenic factors	effects of congenital infections -CMV -HIV -Rubella -syphilis -toxoplasmosis	58
717512515	syndromic hereditary hearing disorder	2 types syndromic hearing disorder nonsyndromic hearing disorder	59
717512516	syndromic hearing disorder	occurs as part of a constellation of other medical and physical disorders	60
717512517	nonsyndromic hearing disorder	an autosomal recessive or dominant genetic condition with the main feature being hearing loss	61
717512518	alport syndrome	usually have kidney problems as well	62
717512519	usher syndrome	causes the person to go deaf and blind	63
717512520	waardenburg syndrome	skunk tail two diff color eyes	64
717512521	NIHL	noise induced hearing loss	65
717512522	noise induced hearing loss	most common may have a TTS or PTS	66
717512523	meniere disease	over production of fluid common balance disease fluctuating hearing loss tinnitus vertigo runs in the family more common in women	67
717512524	audio gram	how we plot hearing graph depicting sensitivity	68
717512525	audiometer	tests hearing	69
717512526	3 components of the audiometer	oscillator attenuator interrupt switch	70
717512527	tones used for testing	500,1000,2000,4000	71
717512528	range of speech sounds	500,1k,2k,4k	72
717512529	hearing range	250, 500, 1000, 2000, 4000, 6000, 8000	73
717512530	attenuator	controls intensity of the signal	74
717512531	interrupter switch	controls the duration of the signal off for pure tone test on for speech testing	75
717512532	how do we hear the sound?	head phones, inserts, earphones, speakers, bone oscillator	76
717512533	2 routes to input sound	AC- air conduction BC- bone conduction	77
717512534	Air Conduction tells us...	the degree of loss	78
717512535	Bone Conduction tells us....	type of loss	79
717512536	AC can be defined as	sound transmitted from the outer ear through the middle ear then to the inner ear, or cochlea	80
717512537	VRA	visual reinforcement audiomentry (6 months +)	81
717512538	BC can be defined as	sound directly transmitted to the cochlea by vibs of the skull	82
717512539	ABR	Auditory Brain stem Response (infant/ newborn test)	83
717512540	masking	putting noise in one ear to distract that side/ear	84
717512541	DVR	Division Voke Rehab helping anyone working ans provide them with HeA	85
717512542	Graces Law	NJ based. Insurance has to give up to $1000 towards hearing aids for ages 0-15.	86
717512543	why kids have a higher incidence of otitus media	horizontal ET, daycare, allergies	87
717512544	true or false: SNHL is typically a temp HL	FALSE	88
717512545	colesteatoma forms here	middle ear	89
717512546	HL you are born with	congenital	90
717512547	infections that cause hearing loss	meningitis rubella CMV	91
717512548	how the cochlea is organized	tonotopic organization	92
717512549	the level that you can hear and understand speech 50% of the time	SRT	93
717512550	category of 90dB+	profound	94
717512551	left ear on an audio gram	BLUE X= AC >= BC	95
717512552	Right ear on an audio gram	RED O= AC <= BC	96
717512553	3 reasons you may see a conductive HL	wax otitus media block	97
717512554	moderate hearing loss	41-55 dB	98
717512555	equalizes pressure in middle ear system	ET	99
717512556	device that tests hearing	audiometer	100
717512557	frequencies used in hearing screening	500,1k,2k,4k	101
717512558	carhart notch	ostoslerosis BC score 2k htz	102
717512559	3 layers to the TM	skin fibrous mucus	103
717512560	UCL	Uncomfortable Level	104
717512561	name the way we can test hearing	inserts, speaker, headphone, ossolater/bone conduction	105
717512562	TM 2 parts	pars tensa pars flacidia	106
717512563	Level of audiology to practice	Doctorates	107
717512564	TTS	temporary threshold shift	108
717512565	PTS	permident threshold shift	109
717512566	3 parts of cochlea	scala vestibuli scala media scala tympani	110
717512567	otitus media is most prevalent	0-3yrs	111
717512568	membrane separates the SV from the SM. whats the other one?	Reisner's membrane	112
717716156	10- 25dB hearing loss	minimal	113
717716157	25-40dB hearing loss	mild	114
717716158	40-55dB hearing loss	moderate	115
717716159	55-70dB hearing loss	moderate severe	116
717716160	70-90dB hearing loss	severe	117
717716161	90-100db hearing loss	profound	118