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CNIM FINAL EXAM AND PRACTICE EXAM LATEST ACTUAL EXAM 800 QUESTIONS AND CORRECT DETAILED A
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CNIM FINAL EXAM AND PRACTICE EXAM LATEST ACTUAL EXAM 800 QUESTIONS AND CORRECT DETAILED A
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CNIM FINAL EXAM and practice examWhich of the following will affect the motor evoked potential (CMAP) the least? a. muscle relaxants
b. shunting of current by irrigation fluid
c. insertion of hardware
d. anesthetic agents - ANSWER--d. anesthetic agents
The type of electrode most commonly used in an intensive care unit or operating
room setting is
a. percutaneous electrode
b. epidermal electrode
c. kirsher electrode
d. sub-dermal electrode - ANSWER--d. sub-dermal electrode
The facial nerve is cranial nerve and it supplies the muscle for
a. VI, facial expression
b. V, eye movement
c. V, jaw movement
d. VII, facial expression - ANSWER--d. VII, facial expression
The anterior vasculature of the spine is at greatest risk during which of the following?
a. posterior surgery on the thoracic spine
b. anterior surgery in the thoracic spine
c. anterior surgery on the lumbar spine
d. anterior surgery on the cervical spine - ANSWER--b. anterior surgery on the thoracic spine
,The components of an anesthetic include: (select all that apply) a. analgesia (pain relief)
b. sedation/amnesia
c. immobility - ANSWER--all of the above
An unstable blood pressure during SSEP monitoring in the OR affects cortical EPs resulting in:
a. fluctuating amplitudes
b. fluctuating amplitudes and latencies
c. minimal changes if the body temperature is maintained above 32 C
d. fluctuating latencies - ANSWER--a. fluctuating amplitudes
Using a montage consisting of C5 spine to Fpz, with lower extremity stimulation, the expected response
is generated at the:
a. cervical spine and is a stationary potential
b. caudal medial lemniscus and is a stationary potential
c. cervical spine and is a near-field potential
d. caudal medial lemniscus and is a far-field response - ANSWER--d. caudal medical
lemniscus and is a far-field response
A goal of intraoperative monitoring of the sensory pathways is to: a. diagnose preexisting abnormalities
b. differentiate between local surgical manipulations versus anesthetic affects
c. detect global systemic changes
d. detect abnormalities (electrophysiologic changes) that develop as the recordings are
taken - ANSWER--d. detect abnormalities (electrophysiologic changes) that develop as the recordings
are taken
When recording a posterior tibial nerve SSEP, the Fpz-C5s channel records: a. the Erb's point potential
,b. stationary lumbar potentials
c. subcortical far-field potentials
d. subcortical near-field potentials - ANSWER--c. subcortical fa-field potentials What are
some of the most common contraindications for running TCeMEPs? a. none
b. bipolar disorder
c. seizures and pacemaker
d. hypertension - ANSWER--c. seizures and pacemaker
Anesthesia is started and the patient is intubated. You set up TCeMEPs but see no response for 15-20
minutes after induction. Which muscle relaxant was used? a. none
b. pancuronium
c. vecuronium
d. succinylcholine
e. rocuronium - ANSWER--d. succinylcholine
All of the following are true about epidural electrodes except
a. generally has 3 contacts allowing for recording directly from the spinal cord
b. can be used as a recording electrode only
c. placed intraoperatively wen surgeon creates a laminotomy
d. used to record neurogenic motor evoked potentials - ANSWER--b. can be used as a
recording electrode only
Which muscle relaxant wears off the fastest when used for intubation?
a. atracurium
b. pancuronium
c. rocuonium
d. succinylcholine - ANSWER--d. succinylcholine
, Which of the following are complications of CEA? (select all that apply) a. hypoperfusion
b. thrombosis
c. embolism
d. hyperperfusion - ANSWER--all of the above
the blood supply to the pons is primarily from: a. middle cerebral artery
b. anterior cerebral artery
c. vertebral artery
d. basilar artery - ANSWER--d. basilar artery
SSEP recordings typically require a wide bandpass of but may be narrowed in OR monitoring because
the signal is not compared to normative data but to the patient's own baseline, and narrowing the filters
can sometimes record a more reliable signal in the noisy environment of the OR
a. 5 Hz to 3,000 Hz
b. .5 Hz to 200 Hz
c. 1 Hz to 1,000 Hz
d. 5 Hz to 5,000 Hz - ANSWER--a. 5 Hz to 3,000 Hz
Why is it important to monitor upper SSEPs for a lumbar surgery? a. to protect corticospinal tracts
b. it may identify positional changes and is a good control of anesthesia effects
c. to detect temperature changes
d. to protect the dorsal columns - ANSWER--b. it may identify positional changes and is a
good control of anesthesia effects
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