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CNIM ( certified neurological intraoperative monitoring) Exam Bundle
CNIM ( certified neurological intraoperative monitoring) Exam Bundle
[Show more]CNIM ( certified neurological intraoperative monitoring) Exam Bundle
[Show more]During a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulati...
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Add to cartDuring a median nerve preoperative study, a patient has discomfort at the wrist. Stimulation electrodes are 10 mm gold disk, stimulus intensity is 20 mA, and stimulus duration is 100 μsec. Which of the following would most likely reduce the patient's discomfort while maintaining adequate stimulati...
ANASTAMOSIS? - Answer -CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. 
-COMMUNICATION BETWEEN ARTERIES 
 
What causes the most airborne bacteria in OR? 
 
a. blood on gown 
b. blood spill 
c. skin ...
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Add to cartANASTAMOSIS? - Answer -CONNECTION or opening BETWEEN two things (especially cavities or passages) that are normally diverging or branching, such as between blood vessels. 
-COMMUNICATION BETWEEN ARTERIES 
 
What causes the most airborne bacteria in OR? 
 
a. blood on gown 
b. blood spill 
c. skin ...
An increase in stimulation intensity causes a linear increase of which of the following SSEP components? 
1. N20 
2. N45 
3. P31 
4. P37 - Answer 3. P31 
 
Epidural electrodes are made of platinum because 
1. It is the most durable metal 
2. It is the lowest impedance metal 
3. The chance of aller...
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Add to cartAn increase in stimulation intensity causes a linear increase of which of the following SSEP components? 
1. N20 
2. N45 
3. P31 
4. P37 - Answer 3. P31 
 
Epidural electrodes are made of platinum because 
1. It is the most durable metal 
2. It is the lowest impedance metal 
3. The chance of aller...
In BAEP's, cochlear nucleus lesion causes? - Answer Increased III-V, increased I-V 
 
Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? - Answer D-Waves 
 
The stimulus used in a brainstem auditory evok...
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Add to cartIn BAEP's, cochlear nucleus lesion causes? - Answer Increased III-V, increased I-V 
 
Which modality is most useful in monitoring the integrity of the corticospinal tracts during resection of an intramedullary spinal cord tumor? - Answer D-Waves 
 
The stimulus used in a brainstem auditory evok...
Ventral Nerve Roots - Answer Lower motors neurons primarily exit the cord through the: 
1 dorsal nerve roots 
2 ventral nerve roots 
3 dorsal columns 
4 dorsal root ganglia 
 
Glutamate - Answer Which one of the following is an excitatory neurotransmitter? 
1 GABA 
2 Glutamate 
3 Glycine 
4 Phen...
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Add to cartVentral Nerve Roots - Answer Lower motors neurons primarily exit the cord through the: 
1 dorsal nerve roots 
2 ventral nerve roots 
3 dorsal columns 
4 dorsal root ganglia 
 
Glutamate - Answer Which one of the following is an excitatory neurotransmitter? 
1 GABA 
2 Glutamate 
3 Glycine 
4 Phen...
Pause Recording - Answer During electrocautery you should... 
 
Wernicke's area - Answer The portion of the brain involved in the understanding of written an spoken language is referred to as: 
 
SSEPs are less reliable in patients with... - Answer Neuromuscular disease 
 
After-discharges oc...
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Add to cartPause Recording - Answer During electrocautery you should... 
 
Wernicke's area - Answer The portion of the brain involved in the understanding of written an spoken language is referred to as: 
 
SSEPs are less reliable in patients with... - Answer Neuromuscular disease 
 
After-discharges oc...
You record a spinal potentialto: - Answer Establish an Action potential (AP) 
 
What drugs would you use for language mapping? - Answer Fentanyl 
 
D waves are recorded form which of the following electrodes? - Answer Epidural electrodes over the spinal cord. 
 
Horizontal Dipole: - Answer P...
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Add to cartYou record a spinal potentialto: - Answer Establish an Action potential (AP) 
 
What drugs would you use for language mapping? - Answer Fentanyl 
 
D waves are recorded form which of the following electrodes? - Answer Epidural electrodes over the spinal cord. 
 
Horizontal Dipole: - Answer P...
What is the initial event that occurs when the action potential threshold of a neuron is reached? - Answer Voltage gated Sodium channels open 
 
What does the sodium potassium pump do? - Answer Pumps K+ into cell and Na out of cell 
 
Which of the following has the greatest effect on SSEP Monito...
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Add to cartWhat is the initial event that occurs when the action potential threshold of a neuron is reached? - Answer Voltage gated Sodium channels open 
 
What does the sodium potassium pump do? - Answer Pumps K+ into cell and Na out of cell 
 
Which of the following has the greatest effect on SSEP Monito...
Cavities inside the skull - Answer Anterior/middle/posterior fossa 
 
Cranial bones - Answer Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). 
 
Mental protuberance - Answer chin bone 
 
MCA supply of the cerebral cortex - Answer Hand + face/mouth/auditory 
 
C...
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Add to cartCavities inside the skull - Answer Anterior/middle/posterior fossa 
 
Cranial bones - Answer Frontal, occipital, sphenoid, ethmoid (unpaired). Parietal & temporal (paired). 
 
Mental protuberance - Answer chin bone 
 
MCA supply of the cerebral cortex - Answer Hand + face/mouth/auditory 
 
C...
Ipsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? 
A- Cortex 
B- Cauda equina 
C- Brainstem 
D- Spinal cord - Answer C 
 
Median Nerve 
A- MCA 
B- PCA 
C- AICA 
D- ACA - Answer A 
 
The layers of protective tissue which surround the centr...
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Add to cartIpsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? 
A- Cortex 
B- Cauda equina 
C- Brainstem 
D- Spinal cord - Answer C 
 
Median Nerve 
A- MCA 
B- PCA 
C- AICA 
D- ACA - Answer A 
 
The layers of protective tissue which surround the centr...
Which of the following pathways decussate below the brainstem? - Answer Spinothalamic 
 
The vertebral artery travels through the cervical spine in an opening called - Answer Transverse foramen 
 
What part of the spinal cord is supplied by the anterior spinal artery? - Answer The ventral 2/3 ...
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Add to cartWhich of the following pathways decussate below the brainstem? - Answer Spinothalamic 
 
The vertebral artery travels through the cervical spine in an opening called - Answer Transverse foramen 
 
What part of the spinal cord is supplied by the anterior spinal artery? - Answer The ventral 2/3 ...
Median Nerve 
 
A- MCA 
B- PCA 
C- AICA 
D- ACA - Answer A- MCA 
 
Ipsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? 
 
A- Cortex 
B- Cauda equina 
C- Brainstem 
D- Spinal cord - Answer C- Brainstem 
 
The layers of protective tissue whic...
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Add to cartMedian Nerve 
 
A- MCA 
B- PCA 
C- AICA 
D- ACA - Answer A- MCA 
 
Ipsilateral cranial nerve deficits combined with contralateral motor deficits indicate what site of lesion? 
 
A- Cortex 
B- Cauda equina 
C- Brainstem 
D- Spinal cord - Answer C- Brainstem 
 
The layers of protective tissue whic...
A patient with a body temperature of 30 degrees C will have: 
 
A- Decreased latencies 
B- Decreased latencies, decreased amplitudes 
C- Increased latencies 
D- Increased latencies, decreased amplitudes - Answer C- Increased latencies 
 
The P31 response to posterior tibial nerve stimulation: 
 
A- ...
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Add to cartA patient with a body temperature of 30 degrees C will have: 
 
A- Decreased latencies 
B- Decreased latencies, decreased amplitudes 
C- Increased latencies 
D- Increased latencies, decreased amplitudes - Answer C- Increased latencies 
 
The P31 response to posterior tibial nerve stimulation: 
 
A- ...
5-136 
 
 
At what rate do skin cells exfoliate from OR personnel? 
 
 
 
A- 10,000 cells per hour 
B- 20,000 cells per hour 
C- 50,000 cells per hour 
D- 30,000 cells per hour - Answer C- 50,000 cells per hour 
 
5-214 
 
 
When is it most appropriate to alert the surgeon of a problem with t...
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Add to cart5-136 
 
 
At what rate do skin cells exfoliate from OR personnel? 
 
 
 
A- 10,000 cells per hour 
B- 20,000 cells per hour 
C- 50,000 cells per hour 
D- 30,000 cells per hour - Answer C- 50,000 cells per hour 
 
5-214 
 
 
When is it most appropriate to alert the surgeon of a problem with t...
When recording a PTN SSEP, the Fpz-Cs5 channel records... - Answer N34 
 
Subcortical far-field potentials 
 
In the 10-20 system of electrode placement, the point 20% (of the nasion-ion distance) anterior to Cz is called... - Answer Fz 
 
An electrode measured 20% lateral to Cz on the right usi...
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Add to cartWhen recording a PTN SSEP, the Fpz-Cs5 channel records... - Answer N34 
 
Subcortical far-field potentials 
 
In the 10-20 system of electrode placement, the point 20% (of the nasion-ion distance) anterior to Cz is called... - Answer Fz 
 
An electrode measured 20% lateral to Cz on the right usi...
PTN peak analogous to P14 of Median N SSEP - Answer P31 
 
in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - Answer verify adequate stimulation 
 
to record to afferent volley after PTN stimulation, an electrode should be plac...
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Add to cartPTN peak analogous to P14 of Median N SSEP - Answer P31 
 
in SSEP monitoring during spinal cord surgery, an epidural electrode is placed caudal to the surgical site is used to - Answer verify adequate stimulation 
 
to record to afferent volley after PTN stimulation, an electrode should be plac...
A pneumatic drill would introduce what kind of artifact? - Answer 500 Hz 
 
Which of the following diseases results from infection by a bloodborne pathogen? - Answer Hepatitis B 
 
Annular disruption - Answer Disc herniation 
 
Which of the following the down going potential recorded at about ...
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Add to cartA pneumatic drill would introduce what kind of artifact? - Answer 500 Hz 
 
Which of the following diseases results from infection by a bloodborne pathogen? - Answer Hepatitis B 
 
Annular disruption - Answer Disc herniation 
 
Which of the following the down going potential recorded at about ...
A unit of resistance is symbolized by 
A- A 
B- ohms 
C- E 
D- micro - Answer B- ohms 
 
The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by: 
A- 8 
B- 8/256 
C- 256 
D- 2^8 - Answer D- 2^8 
 
What is the minimum required b...
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Add to cartA unit of resistance is symbolized by 
A- A 
B- ohms 
C- E 
D- micro - Answer B- ohms 
 
The capacity to resolve amplitudes of 256 discrete steps would require an 8 bit A to D converter. This can be represented by: 
A- 8 
B- 8/256 
C- 256 
D- 2^8 - Answer D- 2^8 
 
What is the minimum required b...
An objective measure of meaningful change to use to warn the surgeon is the - Answer 50% amplitude decrease. 
 
D-Wave amplitude_ and latency as you move caudally down the spinal cord. - Answer decreases, increases 
 
Where is the BAEP wave V generated? - Answer Midbrain 
 
Electrocochleogram (Ec...
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Add to cartAn objective measure of meaningful change to use to warn the surgeon is the - Answer 50% amplitude decrease. 
 
D-Wave amplitude_ and latency as you move caudally down the spinal cord. - Answer decreases, increases 
 
Where is the BAEP wave V generated? - Answer Midbrain 
 
Electrocochleogram (Ec...
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