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1043 AUDIO > Intro To Audiology > Flashcards

Intro To Audiology Flashcards

1
Q

the study of hearing and hearing disorders

A

Audiology

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2
Q

The discipline involved in the prevention, identification, and evaluation of hearing disorders, the selection and evaluation of hearing aids, and the habilitation/ rehabilitation of individuals with hearing loss.

A

audiology

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3
Q

Early Aural Rehab Team:

A

SLP, deaf educators, psychologists, and ENT.

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4
Q

1936 to 1940, Northwestern:

A

instructor in speech reeducation

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5
Q

The sound that we listen to is a form of energy, a

A

Soundwave

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6
Q

will propagate through a ___.

A

Medium

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7
Q

Conductive Mechanism of ear

A

Outer and middle ear

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8
Q

Main purpose of middle ear

A

Prevent energy loss

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9
Q

Sensory Mechanism

A

Inner ear

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10
Q

When the sound reaches the cochlea, this is when ___ happens

A

Trasnduction

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11
Q

What is transduction

A

you change the form from one form to another; from a sound wave to an electrical impulse

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12
Q

Main purpose of inner ear

A

equalize the loss that could have happened in the cochlea by the mechanism of your ME

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13
Q

If basag yung eardrums or sira yung
auricles, you’ll already have an HL of ___

A

Around 30dB

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14
Q

● Sound collector
● Boosts acoustic pressure
- localizationn

A

Pinna

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15
Q

Permit sound waves to reach the eardrum

A

Auditory canal

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16
Q

● End of the external ear
● Absorbs sound vibration and passes it to
the cochlea

A

Eardrum

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17
Q

Closed tube resonator → amplifies HF
sound waves

A

Outer ear

18
Q

Good nerve supply
Self cleaning mechanism of →epithelial migration
Sebaceous gland → cerumen

A

EAM

19
Q

● Transparent/translucent, pearl-gray, intact
● Anchored by annular or tympanic sulcus
● e ffective vibrating area is approximately 55mm2

A

TM

20
Q

○ Thin epithelium and continuous with the lining of EAC.

A

Outermost layer of TM

21
Q

What do we look for in an intact TM?

A

cone of light

22
Q

If the cone of light is pointing at 5:00 this is

A

right ear

23
Q

If the cone of light is pointing at 7 pm

A

It’s the left ear

24
Q

Serves as bridge between the external
and inner ear

A

Ossicular chain

25
Q

Three Ossicles

A

○ Malleus
○ Incus
○ Stapes

26
Q

● Provides ventilation to the middle ear
● Can sometimes cause the feeling of fullness when the nose is blocked

A

Eustachian Tube

27
Q

● Balance organ
● Located adjacent to the hearing organ
● Allows a person to stand upright

A

Vestibular Labyrinth

28
Q

● Converts sound waves into electrical signals understandable to the brain

A

Cochlea

29
Q

● Carries electrical signals from the cochlea to the brain

A

Auditory Nerve

30
Q

● Primary organ for audition
● TRANSDUCTION
● 2.5 turn
● Modiolus → bony
● Membranous channel

A

Cochlea

31
Q

● Organ of Corti → receptor end organ of hearing
● Rests w/in basilar membrane
- Narrow at the base and wider at the apex

A

scala media

32
Q

● Electrochemical neural information
● Inner and Outer Hair cells

A

Organ of Corti

33
Q

The base of the basilar membrane has the ___ frequency

A

Highest frequency

34
Q

The apex of the basilar membrane has ___ frequency

A

Low frequency

35
Q

series of pressure waves caused by a vibrating object and propagated through an elastic medium.

A

Sound

36
Q

the rate of sound pressure waves, or how often the molecules are displaced in a given period of time

A

Frequency

37
Q

the amplitude of sound waves, or how far the molecules are displaced from their original position

A

Intensity

38
Q

the Interaction of various frequencies and intensities that make up sound

A

Complexity

39
Q

Inspect the pinna and the area around
it for any abnormalities such as preauricular sinuses, skin tags, or atresia;

A

External ax of Pinna

40
Q

○ Check for position (set or tilt)of the ears,
○ Tenderness, redness or edema, signs of drainage, foul odor, wax build-up in the outer ear canal, or dermatitis.

A

External Ax of Pinna

41
Q

○ signs of drainage,
○ wax buildup,
○ foreign bodies,

A

Internal Ax of ear

42
Q

○ redness of the ear canal,
○ note presence or absence of normal
tympanic membrane landmarks.

A

Internal ax of ear

1043 AUDIO (3 decks)

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