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CNIM Exam 4 Questions And Correct Answers
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CNIM Exam 4 Questions And Correct AnswersWhich of the following is the effect a salt bridge would have?
Increased amplitude cortical SSEPs
Attenuation of cortical SSEPs
Decreased latency peripheral response
Increased stimulus artifact - ANSWER? Attenuation of cortical SSEPs
pontine giloma - ANSWER
What would be the appropriate monitoring for a lumbar fusion with cage insertion?
PTN SSEP with lower extremity EMG
PTN SSEP with pedicle screw testing
Lower extremity EMG with Pedicle screw testing
MN SSEP with lower extremity EMG - ANSWER PTN SSEP with lower extremity EMG
You do not want to use a power extension cord because:
It is a fire hazard
It will increase your risk of ground leakage
It will mean that more current could be delivered to the patient if the ground fails
It may interfere with the operation of other devices in the operating room - ANSWER
It will increase your risk of ground leakage
Stimulation rate is determined by the
Analysis time
, Number of stimulations
Stimulus intensity
Nerve conduction velocity - ANSWER ?Analys time
Which component would most likely be affected by a tumour by where the spinal cord
and medulla intersect?
N13
P31
EP
N20 - ANSWER N13 - cervical potential right before medulla
What is an appropriate filter for a short latency SSEP cortical response?
1‐100 Hz
10‐3000 Hz
100‐1000 Hz
0.1‐250 Hz - ANSWER 10‐3000 Hz
Fentanyl infusion will:
Have no affect on amplitude or latency
Decrease amplitude only
Increase amp and increase latency
Increase latency and decrease amp - ANSWER Increase latency and decrease amp.
Normally, during a usual infusion rate, fentanyl would have a negligible effect on amp or
latency; therefore, I think this question is incorrect. Now, if they said a bolus, then that is
a different answer. Fentanyl is an opioid and a bolus of opioids will have a transient
effect on EP data. This means there might be a slight drop in amplitude and rise in
latency that will quickly resolve.
What drugs would you use for language mapping?
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