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CNIM Intraoperative Questions Questions And Answers With Verified Solutions 100% Correct!!!
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CNIM Intraoperative Questions Questions And Answers With Verified Solutions 100% Correct!!!
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CNIM Intraoperative QuestionsQuestions And Answers With Verified
Solutions 100% Correct!!!
the most frequent source of pt infection in the OR is derived from - ANSWER✔✔
pt endogenous flora
What neural structure is at risk during acetabular fixation - ANSWER✔✔ sciatic
nerve
What vessel is most likely responsible for trigeminal nerve compression? -
ANSWER✔✔ superior cerebellar
If brachial plexus is at risk for compression due to pt positioning, which ssep
modality should be added? - ANSWER✔✔ Ulnar
Ischemic injury of anterior spinal artery will affect which modality first? -
ANSWER✔✔ tcMEPs
When nerves are at risk during exposure, discuss with anesthesia to confirm that -
ANSWER✔✔ no paralytic is given at induction
Benzos affect cortical SSEPs by - ANSWER✔✔ decreasing amplitude
According to ACNS Guidelines, which of the following will result in reduction of
stimulus artifact and rapid aquisition of data? - ANSWER✔✔ Alternating polarity
and a stimulus rate of 30.1 p/sec.
,What is the most diagnostic component of BAER? - ANSWER✔✔ I-V interpeak
motor threshold - ANSWER✔✔ Minimum stimulus intensity producing a twitch
EEG electrodes must be sterilized with 2.5% hypochlorite for one hour or
autoclaved at 134 C for at least 18 min following use on a patient with which
condition? - ANSWER✔✔ Jacob-Crutzfeldt disease
During median nerve preoperative study, a patient has discomfort at the wrist.
Which of the following would most likely reduce the patient's discomfort while
maintaining adequate stimulation? - ANSWER✔✔ Decrease the stim intensity to
motor threshold
Which BAER click polarity eliminates the cochlear microphonic? - ANSWER✔✔
Alternating
transection of femoral nerve during lateral approach leads to - ANSWER✔✔
motor/sensory deficits from all 3 quad muscles
Latency from mentalis muscle (CN VII) - ANSWER✔✔ 6 ms
Where do you place electrodes for external anal sphincter? - ANSWER✔✔ 2 finger
breadths laterally rom edge of rectum
Cranial nerve involved in MVD - ANSWER✔✔ Facial
, Using opiates during surgery - ANSWER✔✔ slightly increases SSEP latency
To record the afferent volley during preoperative baseline studies after posterior
tibial nerve stimulation, an electrode should be placed on the: - ANSWER✔✔
popliteal fossa
Vestibular schwannoma results in an increase in which interval? - ANSWER✔✔
Wave I-III
Which montage will not show wave I or brainstem waveforms due to common
mode rejection?
Ai-Ac
Cz-Fpz - ANSWER✔✔ Cz-Fpz
Appropriate set up for TOF on left hand - ANSWER✔✔ negative electrode distal
and positive electrode proximal
In a full-field pattern reversal VEP, the max response is seen at which recording
location? - ANSWER✔✔ MO
Which of the follow is an analog to N34? - ANSWER✔✔ N18
While monitoring the D waves the morphology is typically seen to be? -
ANSWER✔✔ Biphasic or triphasic
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