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Audiology > elements of audiology > Flashcards

elements of audiology Flashcards

1
Q

4 essentials for sound to be created and heard

A

force, vibrating object, medium, hearing mechanism

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2
Q

Air molecules pushed tightly together

A

Compression

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3
Q

Areas between areas of compressions that contain fewer air molecules

A

Rarefaction

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4
Q

Ability of an object to return to its starting point

A

Elasticity

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5
Q

Graphic representation of a sound wave that includes compressions and rarefactions

A

Sine wave

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6
Q

Maximum distance of a vibrating object from its starting point

A

Amplitude

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7
Q

One compression, one rarefaction

A

Cycle

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8
Q

Cycle per second

A

Frequency

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9
Q

Psychological experience of how high or low frequency is

A

Pitch

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10
Q

Psychological experience of how soft or loud intensity is

A

Loudness

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11
Q

Extreme threshold of audibility

A

0.0002 dynes/cm2

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12
Q

Softest level at which an individual is able to detect a pure tone 50% of the time

A

Threshold

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13
Q

Frequency that occurs above the fundamental frequency

A

Harmonic

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14
Q

FF × 4

A

4th harmonic

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15
Q

The frequency that dominates in a mixture of sounds

A

Fundamental frequency

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16
Q

Frequency of 175-250Hz

A

Female ff

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17
Q

Frequency of 85-150Hz

A

Male ff

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18
Q

Complex sound broken down into its individual sine waves

A

fourier analysis

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19
Q

In complex sound, those frequencies which contain concentrations of energy important for the recognition of vowel sounds

A

Formant

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20
Q

Frequencies used in testing

A

250 500 1000 2000 4000 8000

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21
Q

Frequencies the human eat is most sensitive to

A

1000-4000 Hz

22
Q

Doubling of frequency

A

Octave

23
Q

Mid octaves

A

750 1500 3000 6000

24
Q

How frequency influences vibration

A

Mass, length, force applied, elasticity, resonance

25
Q

Frequency that causes an object to vibrate w/o external force

A

Resonance

26
Q

Vibration of an object is sustained until force is removed

A

Forced vibration

27
Q

Force is removed from object returning the vibrating object to its resting stage

A

Free vibration

28
Q

The greater the mass

A

The lower the frequency

29
Q

The greater the length

A

The lower the frequency

30
Q

The more elastic an object is

A

The higher the frequency

31
Q

5 aspects of the decibel

A

Involves ratio, involves logarithm, is non-linear, is expressed in terms of certain reference levels, is a comparative unit of measurement

32
Q

Physical correlate of pitch

A

Frequency

33
Q

Psychological correlate of intensity

A

Loudness

34
Q

Frequency range the human ear is capable of hearing

A

20-20, 000 Hz

35
Q

The standard reference for 0dB on the audiometer dial

A

The hearing sensitivity of normal, hearing yound adults

36
Q

Frequency range imprtant for understanding speech

A

300-3000 Hz

37
Q

Lower frequency, higher intensity

A

Vowels

38
Q

Higher frequency, lower intensity

A

Constants

39
Q

Pure tone

A

One frequency

40
Q

Mixture of frequencies

A

Complex sound

41
Q

ASHA

A

American Speech and Hearing Association

42
Q

AAA

A

American Academy of Audiology

43
Q

TSHA

A

Texas Speech and Hearing Association

44
Q

TAA

A

Texas Academy of Audiology

45
Q

AuD

A

Entry level to practice audiology

46
Q

Legal requirement to practice audiology

A

State license

47
Q

Certification

A

Held to a higher standard

48
Q

Continuing education

A

10 hrs

49
Q

Prevalence of hearing loss in U.S. adults and children

A

28 million

50
Q

T/F Prevalence of hearing loss increases with old age

A

T

51
Q

Areas of specialtyin audiology

A

Medical field, education, pediatric, dispensing, industrial

52
Q

Scope of audiology in speech pathology

A

Treatment aspect for aural rehabilitation, hearing screenings, basic checks of hearing aid function

Audiology (5 decks)

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