1 | Page
BAEP Questions and Correct Answers
Why are alternating clicks not routinely used ? Ans: Alternating
clicks may reduce stimulus artifact. Partial cancellation and
superimposition of peaks of different latencies and shapes.
Why are click stimuli more suitable for neurological studies rather
than audiological? Ans: Click stimuli produce sudden excitation
resulting in well defined EP
What are three types of stimuli for BAEP? Ans: broadband clicks,
filtered clicks and tone pips,tone bursts
When is wave II of BAEP abnormal? Ans: Prolonged absolute
latency of IPL I-II
Why is binaural stimulation not routinely used for BAEPs? Ans:
1.May represent activation of brainstem connections not excited by
stimulation of either ear.2.Rarely provides clinically useful
information.3. May mask monaurally detected abnormalities.
Why is masking noise not required for ECOCHG? Ans: The
response is generated and recorded only at the stimulated ear
What is the definition of sensory level?s Ans: Sensory level is the
hearing threshold of an individual ?
© 2025 All rights reserved
, 2 | Page
What does meningitis show on BAEP? Ans: may produce increased
I-III interpeak latencies due to the damage to the eight nerve as it
passes through the subarachnoid space?
What is an audiological cause for absence of Waves I-V? Ans:
Server conduction or sensorineural hearing loss
How do BAEPs help to distinguish coma due to metabolic ,toxic,
and other ,and potentially reversible encephalopathies? Ans:
Structural lesions may cause abnormal BAEPs. Metabolic and toxic
encephalopathies are generally associated with normal BAEPS
unless they cause irreversible damage.
How does hearing loss affect the BAEP? Ans: may results in
dispersion of the action potential volley in the acoustic nerve .
How are rarefaction clicks produced? Ans: The polarity of the
electrical pulse driving the earphone membrane is reversed from
condensation clicks ,producing an initial deflection of the
membrane away from the ear canal causing rarefaction clicks.
What is a neurological cause for absence of wave I-V? Ans: A
lesion of the distal acoustic nerve
What effect does conductive hearing loss have on BAEP? Ans:
Conductive hearing loss causes a reduction of the click stimulus
intensity, producing lower amplitudes and longer waves. I-V
© 2025 All rights reserved
BAEP Questions and Correct Answers
Why are alternating clicks not routinely used ? Ans: Alternating
clicks may reduce stimulus artifact. Partial cancellation and
superimposition of peaks of different latencies and shapes.
Why are click stimuli more suitable for neurological studies rather
than audiological? Ans: Click stimuli produce sudden excitation
resulting in well defined EP
What are three types of stimuli for BAEP? Ans: broadband clicks,
filtered clicks and tone pips,tone bursts
When is wave II of BAEP abnormal? Ans: Prolonged absolute
latency of IPL I-II
Why is binaural stimulation not routinely used for BAEPs? Ans:
1.May represent activation of brainstem connections not excited by
stimulation of either ear.2.Rarely provides clinically useful
information.3. May mask monaurally detected abnormalities.
Why is masking noise not required for ECOCHG? Ans: The
response is generated and recorded only at the stimulated ear
What is the definition of sensory level?s Ans: Sensory level is the
hearing threshold of an individual ?
© 2025 All rights reserved
, 2 | Page
What does meningitis show on BAEP? Ans: may produce increased
I-III interpeak latencies due to the damage to the eight nerve as it
passes through the subarachnoid space?
What is an audiological cause for absence of Waves I-V? Ans:
Server conduction or sensorineural hearing loss
How do BAEPs help to distinguish coma due to metabolic ,toxic,
and other ,and potentially reversible encephalopathies? Ans:
Structural lesions may cause abnormal BAEPs. Metabolic and toxic
encephalopathies are generally associated with normal BAEPS
unless they cause irreversible damage.
How does hearing loss affect the BAEP? Ans: may results in
dispersion of the action potential volley in the acoustic nerve .
How are rarefaction clicks produced? Ans: The polarity of the
electrical pulse driving the earphone membrane is reversed from
condensation clicks ,producing an initial deflection of the
membrane away from the ear canal causing rarefaction clicks.
What is a neurological cause for absence of wave I-V? Ans: A
lesion of the distal acoustic nerve
What effect does conductive hearing loss have on BAEP? Ans:
Conductive hearing loss causes a reduction of the click stimulus
intensity, producing lower amplitudes and longer waves. I-V
© 2025 All rights reserved
