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CNIM Exam 3 Questions And Answers With Verified Solutions Already Passed Latest Updated 2024
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CNIM Exam 3 Questions And Answers With Verified Solutions Already Passed Latest Updated 2024
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CNIM Exam 3 Questions And AnswersWith Verified Solutions Already Passed
Latest Updated 2024
For median nerve stimulation, the cathode is placed - ANSWER✔✔ Between the
tendons of palmaris longus and flexor carpi radialis muscle
Of the following, the peak equivalent (pe) SPL of a click should be calibrated at: -
ANSWER✔✔ 1000Hz
A grounded device must be available so that, under normal conditions, no voltage
greater than ____ is measured across an impedance of 1000 Ohms - ANSWER✔✔
10 mV RMs at 50Hz
If unavoidable muscle artifact is present in the BAEP you can change the locut
filter to: - ANSWER✔✔ 200Hz
Which response depends most highly on the precision of electrode placement on
the scalp? - ANSWER✔✔ P37 of the PTN SSEP
If the ear canal is occluded, you may expect: - ANSWER✔✔ Prolongation of all
wave latencies.
Of those patients who demonstrate significant EEG changes following cross
clamping of the carotid, the majority of changes will occur within: - ANSWER✔✔
20 Seconds
, What would be the effect of fluid in the external auditory canal? - ANSWER✔✔
Increase of absolute latencies
A goal of intraoperative monitoring of the sensory pathways is to - ANSWER✔✔
detect abnormalities (electrophysiologic changes) that develop as the recordings
are taken.
When using bipolar montage during EEG recording, the localizing sign is -
ANSWER✔✔ a PHASE REVERSAL between adjacent channels having a common
electrode.
Brain activity recorded directly from the cortex (ECOG) is very high in amplitude
and usually requires sensitivities in the range of - ANSWER✔✔ 40 to 100 uV/mm
To record the compound action potential to the median nerve intraoperativly, the
electrode should be placed at: - ANSWER✔✔ The antecubital fossa
The earliest obligate component of the median nerve SSEP that is measured far-
field is generated in the - ANSWER✔✔ Medial lemniscus
The PTN arises from which branch of the sciatic nerve? - ANSWER✔✔ Superior
tibial
Eliciting a motor twitch with the PTN stimulation, you expect to see: -
ANSWER✔✔ Plantar flexion of the toes
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