CNIM (2025) EXAM QUESTIONS AND ALL CORRECT ANSWERS
100% SOLVED AND GUARANTEED SUCCESS!!
Facial nerve EMG responses are best recorded from - ANS>> orbicularis oris and
orbicularis oculi muscles
What intravenous drug is used to maintain hypotension? - ANS>> Nutroprusside
At the stage of surgical anesthesia, propofol affects the BAEP by - ANS>>
increasing the latencies of waves I, III, and V without changing their amplitudes
If you have a signal to noise ratio of 1:2, averaging 64 responses will: - ANS>>
improve the ratio to 4:1
The central conduction time for MN SSEP is: - ANS>> P14 - N20
Spinal cord ischemia during aortic surgery is best detected by changes in the -
ANS>> posterior tibial nerve somatosensory evoked potential
At the end of an acoustic neuroma surgery, you would test the facial nerve by
stimulating: - ANS>> Proximal to the site of the tumor
In the operating room, the stimulus intensity for activating a sensory nerve: -
ANS>> does not have an established boundary
The effects of pharmacological or surgical manipulations can be mimicked by the
inappropriate manipulation of: - ANS>> filter settings
Eliciting a motor twitch with PTN stimulation, you expect to see: - ANS>> Plantar
flexion of the toes
,What would be the effect of fluid in the external auditory canal? - ANS>> Increase
of absolute latencies
Early changes to CMAPs, during the exposure of CN VII, are most likely due to -
ANS>> heating from the electrical cautery device
During microvascular decompression surgery to relieve a hemifacial spasm -
ANS>> a stimulation of CN VII elicits a response from the mentalis muscle
Of the following, the peak equivalent SPL of a click should be calibrated at: -
ANS>> 1000 Hz
An unstable blood pressure during SSEP monitoring in the OR affects cortical EPs
resulting in - ANS>> fluctuating amplitudes
Multiple sclerosis, spinal cord injury, and brain trauma can lead to debilitating
spasticity that has been relieved in some patients following: - ANS>> selective
dorsal rhizotomy
If a 10 microvolt signal inside 50 microvolts of noise is averaged for 100 traces, the
final signal to noise ratio will be: - ANS>> 2:1
A patient in a state of surgical anesthesia using nitrous oxide is likely to have a drop
in SSEP amplitudes of - ANS>> 0.75
What is the minimum bandpass filter for an evoked potential system? - ANS>>
0.1-5000 Hz
, A patient is admitted to the operating room diagnosed with a burst fracture of the
first lumbar vertebra. The most appropriate nerve(s) to monitor would be the: -
ANS>> posterior tibial and ulnar nerves
If a sound intensity is decreased from 80 dB to 60 dB then the sound pressure has
been decreased by a factor of: - ANS>> 10
The term "broadband click" refers to a - ANS>> peak acoustic power of 2 - 4 kHz
What is a rhizotomy? - ANS>> A procedure to selectively destroy problematic
nerve roots
If you receive a shock from the system console, the first thing you should do is: -
ANS>> Disconnect the patient
What is the best montage to use to evaluate dorsal column activity? - ANS>> Cs5-
EPc
The earliest obligate component of the median nerve SSEP that is measured far-
field is generated in the: - ANS>> Medial lemniscus
Preservation of facial nerve CMAPs - ANS>> does not always indicate a good
surgical outcome
The purpose of preoperative evoked potential testing is to: - ANS>> Compare to
post-induction responses
The purpose of isolated amplifier inputs is to: - ANS>> prevent a flow of stray
currents through connecting lines to the patient
100% SOLVED AND GUARANTEED SUCCESS!!
Facial nerve EMG responses are best recorded from - ANS>> orbicularis oris and
orbicularis oculi muscles
What intravenous drug is used to maintain hypotension? - ANS>> Nutroprusside
At the stage of surgical anesthesia, propofol affects the BAEP by - ANS>>
increasing the latencies of waves I, III, and V without changing their amplitudes
If you have a signal to noise ratio of 1:2, averaging 64 responses will: - ANS>>
improve the ratio to 4:1
The central conduction time for MN SSEP is: - ANS>> P14 - N20
Spinal cord ischemia during aortic surgery is best detected by changes in the -
ANS>> posterior tibial nerve somatosensory evoked potential
At the end of an acoustic neuroma surgery, you would test the facial nerve by
stimulating: - ANS>> Proximal to the site of the tumor
In the operating room, the stimulus intensity for activating a sensory nerve: -
ANS>> does not have an established boundary
The effects of pharmacological or surgical manipulations can be mimicked by the
inappropriate manipulation of: - ANS>> filter settings
Eliciting a motor twitch with PTN stimulation, you expect to see: - ANS>> Plantar
flexion of the toes
,What would be the effect of fluid in the external auditory canal? - ANS>> Increase
of absolute latencies
Early changes to CMAPs, during the exposure of CN VII, are most likely due to -
ANS>> heating from the electrical cautery device
During microvascular decompression surgery to relieve a hemifacial spasm -
ANS>> a stimulation of CN VII elicits a response from the mentalis muscle
Of the following, the peak equivalent SPL of a click should be calibrated at: -
ANS>> 1000 Hz
An unstable blood pressure during SSEP monitoring in the OR affects cortical EPs
resulting in - ANS>> fluctuating amplitudes
Multiple sclerosis, spinal cord injury, and brain trauma can lead to debilitating
spasticity that has been relieved in some patients following: - ANS>> selective
dorsal rhizotomy
If a 10 microvolt signal inside 50 microvolts of noise is averaged for 100 traces, the
final signal to noise ratio will be: - ANS>> 2:1
A patient in a state of surgical anesthesia using nitrous oxide is likely to have a drop
in SSEP amplitudes of - ANS>> 0.75
What is the minimum bandpass filter for an evoked potential system? - ANS>>
0.1-5000 Hz
, A patient is admitted to the operating room diagnosed with a burst fracture of the
first lumbar vertebra. The most appropriate nerve(s) to monitor would be the: -
ANS>> posterior tibial and ulnar nerves
If a sound intensity is decreased from 80 dB to 60 dB then the sound pressure has
been decreased by a factor of: - ANS>> 10
The term "broadband click" refers to a - ANS>> peak acoustic power of 2 - 4 kHz
What is a rhizotomy? - ANS>> A procedure to selectively destroy problematic
nerve roots
If you receive a shock from the system console, the first thing you should do is: -
ANS>> Disconnect the patient
What is the best montage to use to evaluate dorsal column activity? - ANS>> Cs5-
EPc
The earliest obligate component of the median nerve SSEP that is measured far-
field is generated in the: - ANS>> Medial lemniscus
Preservation of facial nerve CMAPs - ANS>> does not always indicate a good
surgical outcome
The purpose of preoperative evoked potential testing is to: - ANS>> Compare to
post-induction responses
The purpose of isolated amplifier inputs is to: - ANS>> prevent a flow of stray
currents through connecting lines to the patient
