audiology exam 2

Question 1

threshold

Answer 1

the softest unit of sound someone can hear

Question 2

parameters for pure tone testing

Answer 2

frequency - 250 500 1000 2000 4000 800
decibels - -10dB - 120 dB

Question 3

symbol for left ear air conduction

Answer 3

blue X

Question 4

symbol for right ear air conduction

Answer 4

red circle

Question 5

components of audiometer

Answer 5

-audio oscillator
-attenuator
-interrupter/stimulus switch
-output selection

Question 6

audio oscillator

Answer 6

frequency selection

Question 7

attenuator

Answer 7

intensity dial

Question 8

interrupter/stimulus switch

Answer 8

button used to deliver the speech sound

Question 9

output selection

Answer 9

-right/left headphones
-bone oscillator

Question 10

what cant you do with a pure tone audiometer

Answer 10

speech testing

Question 11

calibration

Answer 11

completed annually by techician, used a sound level meter to measure output of audiometer to compare with set of standards put forth by ANSI

Question 12

listening checks

Answer 12

must be done before using audiometer for the day, completed by clnician, must check wires headphones and output

Question 13

otoscopy

Answer 13

visualization of tympanic membrane with otoscope

Question 14

false positive

Answer 14

responds when no stimulus was presented

Question 15

false negative

Answer 15

failure to respond during a hearing test when they have in fact heard the stimulus

Question 16

tinnitus

Answer 16

ringing in the ear or any internal head noise

Question 17

what ear do we test first? at what frequency?

Answer 17

right ear at 1000Hz 30 dB