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CNIM 4 Questions And Answers With Verified Solutions Already Passed!!!
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CNIM 4 Questions And Answers With Verified Solutions Already Passed!!!
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CNIM 4 Questions And Answers WithVerified Solutions Already Passed!!!
Which is the most common type of change observed during CEA?
A- Ipsilateral EEG slowing, reduced cortical SSEP to contralateral stimulation
B- Bilateral EEG slowing, reduced cortical SSEP to bilateral stimulation
C- Ipsilateral EEG slowing, reduced cortical SSEP to ipsilateral stimulation
D- Contalateral EEG slowing, reduced cortical SSEP to contralateral stimulation -
ANSWER✔✔ A- Ipsilateral EEG slowing, reduced cortical SSEP to contralateral
stimulation
Which of the following would most likely be normal in the pre-operative baseline
upper extremity SSEP of a patient with a lesion in the dorsal column?
A- Erbs point potential
B- N20
C- Central conduction time
D- P22 - ANSWER✔✔ A- Erbs point potential
Lumbar potential is generated from:
A- Pre-synaptic responses
B- Spinal ganglion
C- Sciatic nerve
D- Post-synaptic responses - ANSWER✔✔ D- Post-synaptic responses
When placing PF you want the active electrode:
A- Lateral to the PF
,B- Medial to the PF
C- Above the PF crease
D- Below the PF crease - ANSWER✔✔ C- Above the PF crease
Which of the following nerve injuries usually does NOT produce spontaneous
EMG activity during intraoperative monitoring?
A- Ischemia
B- Irrigation
C- Pressure
D- Heat - ANSWER✔✔ A- Ischemia
Which of the following is considered HIPPA protected patient information?
A- Sexual orientation
B- Patient name
C- Height
D- Weight - ANSWER✔✔ B- Patient name
Which of the following diseases results from infection by a bloodborne pathogen?
A- Hepatitis B
B- Varicella
C- Herpes zoster
D- Mononucleosis - ANSWER✔✔ A- Hepatitis B
Which is required to prevent aliasing of a signal?
,A- Use a stimulus frequency below the Nyquist
B- Sampling below the Nyquist frequency
C- Setting the timebase to at least 100 mS
D- Sampling at least the Nyquist frequency - ANSWER✔✔ D- Sampling at least the
Nyquist frequency
An objective measure of meaningful change to use to warn the surgeon is the
A- IPL decrease
B- 10% amplitude decrease
C- Latency decrease
D- 50% amplitude decrease - ANSWER✔✔ D- 50% amplitude decrease
During WADA language testing, what should you expect after injection of sodium
amytal?
A- Bilateral cortex slow wave activity increase
B- Contralateral cortex slow wave activity increase
C- Ipsilateral cortex slow wave activity increase
D- Bilateral fast wave activity increase - ANSWER✔✔ C- Ipsilateral cortex slow
wave activity increase
Which of the following is a common complication of microvascular
decompression of cranial nerve VII?
A- Lower extremity weakness
B- Visual loss
C- Hearing loss
, D- Upper extremity weakness - ANSWER✔✔ C- Hearing loss
The use of intraoperative monitoring during scoliosis surgery may replace the
A- Hoffman sign
B- Romberg test
C- Babinski sign
D- Stagnara test - ANSWER✔✔ D- Stagnara test
4-137 If you need 100 trials to get a SNR of 2:1, how many trials are needed for a
SNR of 20:1?
A- 10,000
B- 1000
C- 20,000
D- 2000 - ANSWER✔✔ A- 10,000
A dorsal rhizotomy involves:
A- Cutting motor roots
B- Resection of the filum terminale
C- Removing a tumor
D- Cutting sensory roots - ANSWER✔✔ D- Cutting sensory roots
Phase reversal of SSEPs following intraoperative median nerve stimulation is used
for localizing:
A- Occipital cortex
B- Thalamic sensory pathway
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