CNIM ( certified neurological intraoperative monitoring) Exam Bundle

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 ...

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...

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...

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...

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...

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...

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...

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...

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...

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 ...

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...

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- ...

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...

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...