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Clin Aud 1
Midterm Summer 15
114
Audiology
Graduate
06/24/2015

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Term
Audiology
Definition
Scientific study of hearing
Term
Hearing
Definition
Perception of sounds by the ear
Term
Sound
Definition
Oscillation of molecules through medium with elastic forces
Term
Acoustics
Definition
Study of the physical properties of sound
Term
Audiometry
Definition
Measurement of hearing with calibrated signals
Term
What is the most important test in audiology?
Definition
The interview
Term
Lesion
Definition
abnormality of either or both structure and function in the auditory system
Term
Idiopathic
Definition
disorders that do not have a specific underlying cause
Term
Congenital
Definition
present at birth
Term
Hereditary
Definition
transmitted by a genetic code that child inherits from parent
Term
Acquired
Definition
matter of causation
Term
Pre-lingual
Definition
occurring before the development of speech and language
Term
Post-lingual
Definition
occurring after the development of speech and language
Term
What are 4 types of interview?
Definition
1. Informal conversation
2. Interview guide
3. Standardized open-ended (case hx)
4. Closed quantitative
Term
Things to know about an informal conversation
Definition
1. Questions and answers unprepared
2. Most difficult form to master
3. Creates rapport with client
Term
Things to know about an interview guide
Definition
1. Questions prepared
2. Answers unprepared
3. Good qualitative data
Term
Things to know about standardized open-ended
Definition
1. Questions predetermined
2. Answers unprepared
3. Doesn't leave out critical areas
4. Clients may feel unimportant areas are a waste of time
Term
Things to know about closed quantitative
Definition
1. Questions and answers prepared
2. Quantifies progress, collects group data
3. Can be used for spousal/familial reflection
4. Ares covered may not be important to client
Term
Areas that may be important to ask about in adult interviews
Definition
1. Family
2. Work
3. Health
4. Social life
Term
Areas that may be important to ask about in child/parent interviews
Definition
1. Family
2. School
3. Pregnancy hx
4. Health (ear infections, allergies, etc.)
Term
What are the 6 types of questions used during a client interview?
Definition
1. Behavioral
2. Opinion/Value
3. Feeling
4. Knowledge
5. Sensory
6. Demographic
Term
Type of question concerning "actions taken when confronted with a problem"
Definition
Behavioral
Term
Type of question concerning "age or D.O.B."
Definition
Demographic
Term
Type of question concerning "what a client knows already"
Definition
Knowledge
Term
Type of question concerning "emotional affection/effect"
Definition
Feeling
Term
Type of question concerning "the ability to use sense to explain situation"
Definition
Sensory
Term
Type of question concerning "how important something is to client"
Definition
Opinion/value
Term
Prefatory statement?
Definition
Prefacing a difficult conversation (e.g. "I know this is hard to talk about, but..."
Term
Presupposition question
Definition
Making an assumption the client may have experienced or thought about a situation before (e.g. "I've heard this before...how do you feel about it?")
Term
Transitional statement
Definition
Transition from one idea to another (e.g. "We've talked about Y, let's talk about Z...")
Term
What does the x-axis on an audiogram define?
Definition
frequency
Term
What does the y-axis on the audiogram define?
Definition
dB HL (intensity)
Term
Threshold
Definition
The HL that a person responds to a tone that's just barely heard at least 50% of the time
Term
Frequency range of a normal audiogram
Definition
125Hz-8KHz
Term
Octave
Definition
a doubling of frequency
Term
What inter-octaves are most commonly used?
Definition
1.5KHz, 3KHz, and 6KHz. 750Hz, rarely
Term
What is the criteria for testing inter-octaves?
Definition
Test inter-octaves when there is a AC gap of 20+dB between octaves; do not test inter-octaves on BC
Term
What frequencies are tested with BC?
Definition
250Hz-4KHz
Term
What are the four types of transducers used in testing?
Definition
1. Supra-aural earphones
2. Circum-aural earphones
3. Inserts
4. BC virbators
Term
What is the other term used for "threshold"?
Definition
Limen
Term
What is the term to describe "under the threshold"?
Definition
Sublime/sublimity
Term
What type of measurement is SPL?
Definition
Physical
Term
What type of measurement is HL?
Definition
Psycho-physical (group)
Term
What type of measurement is SL?
Definition
Psycho-physical (individual)
Term
What does 0dB HL respresent?
Definition
The average threshold for a group of young adults with supposedly good hearing and with no history of problems
Term
What does SL represent?
Definition
How much above or below the individual's threshold a sound is presented
Term
When doing a physical calibration, what HL do you set the attenuator?
Definition
70dB
Term
When looking at a correction chart while doing SCREENING, what do you need to take into consideration that you normally wouldn't need to?
Definition
Change the sign of the corrected number
Term
What colors do you use to record RE and LE data, respectively?
Definition
Red, blue
Term
What symbol represents LE AC UM?
Definition
X
Term
What symbol represents RE AC UM?
Definition
O
Term
What symbol represents RE AC MASKED?
Definition
TRIANGLE
Term
What symbol represents LE AC MASKED?
Definition
SQUARE
Term
What symbol represents RE BC UM?
Definition
<
Term
What symbol represents LE BC UM?
Definition
>
Term
What symbol represents RE BC MASKED?
Definition
[
Term
What symbol represents LE BC MASKED?
Definition
]
Term
T/F? Unmasked trumps masked?
Definition
False
Term
With BC, what are the upper limits for dB HL testing?
Definition
250Hz: 40dB HL
500Hz-4KHz: 70db HL
Term
What 2 major frequencies do you not test with BC?
Definition
125Hz & 8KHz
Term
Of the three procedures for pure-tone testing, which do we use?
Definition
Ascending
Term
What particular ascending procedure do we use for testing?
Definition
Hughson-Westlee
Term
What is the rule for obtaining thresholds in pure-tone testing?
Definition
Must have at least 2 responses at a certain intensity by ascending.
Term
What frequencies are used to obtain a PTA-3?
Definition
500, 1000, and 2000Hz
Term
What frequencies are used to obtain a PTA-2?
Definition
The best two frequencies from a PTA-3
Term
Once a PTA number is obtained, what do we compare this to?
Definition
SRT
Term
If the SRT>PTA, what might be the cause?
Definition
Client faking a loss
Term
Absolute sensitivity
Definition
how softly a person can hear a sound
Term
Severity/degrees based on dB HL
Definition
Normal (< OR =15)
Slight (16-25)
Mild (26-40)
Moderate (41-55)
Moderately Severe (56-70)
Severe (71-90)
Profound (91+)
Term
Criteria for a sensorineural loss?
Definition
AC & BC are both outside of normal, but no significant ABGs
Term
Criteria for a mixed loss?
Definition
AC & BC are both outside of normal with significant ABGs
Term
Criteria for a conductive loss?
Definition
AC is out of normal, BC is normal--will have ABGs
Term
Why won't BC be worse than AC in testing?
Definition
AC has to travel the whole ear and would pick up the damage of the inner ear or VIII CN
Term
Structures affected by a conductive loss
Definition
outer ear OR middle ear OR both
Term
Structures affected by a sensorineural loss
Definition
inner ear OR VIII cranial nerve OR both
Term
Structure affected by a mixed loss
Definition
outer ear OR middle ear OR both AND inner ear OR VIII cranial nerve OR both
Term
What structures are part of the central auditory system?
Definition
Auditory pathways and structures within the brain
Term
Unilateral
Definition
one ear
Term
Bilateral
Definition
both ears
Term
What does "relatively flat" mean when referring to an audiogram?
Definition
thresholds across frequencies that are within 20dB of each other.
Term
What does "precipitous" mean when referring to an audiogram?
Definition
A drop of 40dB or more between major frequencies
Term
Where do "notches" in an audiogram typically occur?
Definition
3, 4, OR 6KHz
Term
Ultra-audiometric frequency
Definition
Any frequency about 8KHz
Term
1.5 Channel/Pseudo 2 Channel
Definition
1 channel that can present 2 signals
Term
2 parts of biological calibration
Definition
1. Visual inspection
2. Listening check
Term
What are the steps for the listening check during a biological calibration?
Definition
1. Find threshold at 1000Hz
2. Move intensity up to check for issues
3. Move to 40dB and move across frequencies to check for issues
4. Switch to other phone and retest, but no need to check frequencies
Term
Controls electrical supply of the audiometer
Definition
power switch
Term
Turns test tones on and off
Definition
interrupter
Term
Includes frequencies from 125Hz+ and produced by a circuit called a pure-tone oscillator
Definition
frequency controller
Term
Allows test tone to be presented as continuous or pulsing at regular intervals
Definition
Stimulus or Tone Mode
Term
Controls the intensity of the test signal
Definition
Attenuator or HL control
Term
Directs the signal to the transducer of choice
Definition
Output selector
Term
Which is normally greater than the other? SPL or HL?
Definition
SPL
Term
Pressure exerted by what may cause collapsed ear canals?
Definition
Earphones
Term
Collapsed ear canals may give a false impression of what testing result?
Definition
Conductive hearing loss
Term
A BC vibrator may be place on what two areas of the head?
Definition
Mastoid and forehead
Term
What sort of things should a tester look for that may affect proper placement of a BC vibrator?
Definition
1. oily skin
2. hair under the BC vibrator
3. odd-shaped or small mastoid
Term
The BC vibrator is held in place by what?
Definition
Spring headband
Term
This phenomenon occurs when a stronger signal reaches the cochlea when BC signals are presented with ears occluded
Definition
Occlusion effect
Term
What are some things to do before testing a client?
Definition
1. Interview
2. Observe client
Term
What are some things to do before touching a client?
Definition
1. Assess for any structural abnormalities
2. Perform otoscopic observation and modify testing as needed
Term
Pros of a client facing away from you during testing
Definition
1. May see tester's behavior
2. Reflections of indicator lamps
3.
Term
Cons of a client facing away from you during testing
Definition
1. Not able to notice testee's subtle behavior
2. Less accurate responses during verbal testing
Term
In what order do you test AC?
Definition
1-8KHz, retest 1KHz, 500Hz, and 250Hz
Term
When retesting AC at 1KHz, we can expected the new threshold to be within how much of the initial threshold?
Definition
+/-5dB
Term
False-positive response
Definition
Responding when there was not stimuli
Term
False-negative response
Definition
Failure to respond when response should have occurred
Term
When using numerical audiograms, how should one label a "no response"?
Definition
NR(dB HL tested)
Term
The distance covered by one octave on the audiogram must be equal to the distance covered by how many dB?
Definition
20
Term
What dB values may be shown to represent an insignificant ABG?
Definition
0 or 5dB
Term
What dB values may be shown to represent a significant ABG?
Definition
10dB+
Term
You do not need to make corrections to a frequency on the audiometer if it is within what range?
Definition
+/-3dB
Term
At what frequency do standing waves typically occur?
Definition
8KHz
Term
What is a tactile response? What symbol is used on the audiogram to show this?
Definition
The response happens during BC when a client feels but doesn't hear the signal. Represent this with a "T" next to the appropriate <,>,[, or ] symbol
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