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BAEPs Questions and Correct Answers
What is the generator for Wave III Ans: Superior Olivary Complex
The cochlea is separated into compartments by the Ans: The
basilar and Tectorial membranes
What problem may occur when performing intraoperative BAEPs
using compressible tubing? Ans: The compressible tubing can
become obstructed and obscure the sound to the ear
When using ABR with click stimuli: Ans: 40 dB of broad band
masking below the stimulus should be used
When monitoring BAEPs intraoperatively it is recommended to
warn the surgeon when an increase of the following occurs: Ans:
The latency of wave V of 1.0 milliseconds or greater
Auditory pathway from the ear Ans: Right/Left Ear
Cochlear Nucleus
Superior Olivary Complex
Lateral lemniscus
Inferior Colliculus
© 2025 All rights reserved
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Medial Geniculate Body
Auditory Complex
The sound stimulus intensity at the tympanic membrane depends
on the Ans: acoustic coupling between the sound stimulus
generator and the ear
What makes up the ossicles? Ans: stapes, incus, malleus, oval
window
Auris Sinister Ans: left ear
Auris Dexter Ans: right ear
True or False : White noise should be delivered to the contralateral
ear at 60 dB pe SPL or 30 - 35 HL Ans: True
ACNS Guidelines recommend what polarity to be used in the OR ?
Ans: Alternating
ACNS Guidelines state the analysis time in the OR should be Ans:
15 msec
True or False: Injury to the distal auditory nerve will have stable
IPL of I-III and I- V Ans: True
A rare fraction click occurs when the Ans: Initial movement of a
transducer diaphragm is AWAY from the tympanic membrane
© 2025 All rights reserved
BAEPs Questions and Correct Answers
What is the generator for Wave III Ans: Superior Olivary Complex
The cochlea is separated into compartments by the Ans: The
basilar and Tectorial membranes
What problem may occur when performing intraoperative BAEPs
using compressible tubing? Ans: The compressible tubing can
become obstructed and obscure the sound to the ear
When using ABR with click stimuli: Ans: 40 dB of broad band
masking below the stimulus should be used
When monitoring BAEPs intraoperatively it is recommended to
warn the surgeon when an increase of the following occurs: Ans:
The latency of wave V of 1.0 milliseconds or greater
Auditory pathway from the ear Ans: Right/Left Ear
Cochlear Nucleus
Superior Olivary Complex
Lateral lemniscus
Inferior Colliculus
© 2025 All rights reserved
, 2 | Page
Medial Geniculate Body
Auditory Complex
The sound stimulus intensity at the tympanic membrane depends
on the Ans: acoustic coupling between the sound stimulus
generator and the ear
What makes up the ossicles? Ans: stapes, incus, malleus, oval
window
Auris Sinister Ans: left ear
Auris Dexter Ans: right ear
True or False : White noise should be delivered to the contralateral
ear at 60 dB pe SPL or 30 - 35 HL Ans: True
ACNS Guidelines recommend what polarity to be used in the OR ?
Ans: Alternating
ACNS Guidelines state the analysis time in the OR should be Ans:
15 msec
True or False: Injury to the distal auditory nerve will have stable
IPL of I-III and I- V Ans: True
A rare fraction click occurs when the Ans: Initial movement of a
transducer diaphragm is AWAY from the tympanic membrane
© 2025 All rights reserved
