Lec 5. Diagnostic OAE and ABR

Question 1

What is the first suggested stimulus for ABR testing?

a. Click ABR
b. 500Hz tone burst
c. 4kHz tone burst
d. 1kHz tone burst

Answer 1

c. 4kHz tone burst

Question 2

For dBeHL what does the ‘e’ stand for?

a. Elevated
b. enabled
c. estimated
d. encoded

Answer 2

c. estimated

Question 3

What is the suggested time for not recording OAEs after the stimulus?

a. 4msecs
b. 1msecs
c. 4 seconds
d. 0.5msecs

Answer 3

a. 4msecs

Question 4

What type of transducer should be used for ANSD investigation for CM recordings?

a. Headphone
b. Bone vibrator
c. Insert phone
d. Earmould

Answer 4

c inserts

Question 5

What is the recommended minimum signal to noise ratio for acceptance of an ABR trace

a. 5:1
b. 3:1
c. 1:1
d. 10:1

Answer 5

a. 3:1