pure tone testing Flashcards
1
Q
frequency of whisper
A
25 dB
2
Q
frequency of convo
A
55 dB
3
Q
frequency of concert music
A
100 dB
4
Q
frequency of jet engine
A
140 dB
5
Q
air conduction screen frequencies
A
500, 1000, 2000, 4000 hz
-screen is pass or fail
6
Q
air conduction evaluation frequencies
A
250, 500, 1000, 2000, 4000, 8000 and find thresholds
7
Q
air thresholds
A
20 dB (child) 25 dB (adult)
8
Q
how to find threshold
A
- start presenting tones at 50 dB
- best of 5
- down 10 dB until they fail, then up 5 dB
9
Q
air conduction testing evaulates
A
the integrity of the entire auditory system and results indicate DEGREE OF HEARING LOSS not type
10
Q
auditory threshold
A
lowest dB hearing level at which responses occur in at least 50% of ascending trials
11
Q
RED O
A
right ear
12
Q
BLUE X
A
left ear
13
Q
solid lines
A
RED
14
Q
dotted lines
A
BLUE
15
Q
connected by solid/dotted lines means..
A
that the response is a threshold
