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Cnim Practice Exam 2 Questions And Answers With Verified Solutions Already Rated A+
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Cnim Practice Exam 2 Questions And Answers With Verified Solutions Already Rated A+
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Cnim Practice Exam 2 Questions AndAnswers With Verified Solutions Already
Rated A+
Diabetes Mellitus - ANSWER✔✔ Peripheral Neuropathy
To display median nerve SSEP response as an upward deflection, which of the
following must be known? - ANSWER✔✔ Waveform polarity and polarity
convention of the amplifier inputs
The facial nerve enervates all of the following structures except: - ANSWER✔✔
Tensor veli palatini muscle
For preoperative posterior tibial somatosensory evoked potentials, which of the
following would be the best ipsilateral location for the ground electrode? -
ANSWER✔✔ Calf
"Central Cord Syndrome" results in: - ANSWER✔✔ Loss of function at the level
damaged due to disruption of gray matter
Intraoperative evoked potential monitoring criteria of abnormality are based on a
comparison of amplitude and latency to - ANSWER✔✔ Post incision baseline
The resting membrane potential is created by differences between the inside and
outside of the cell in ion concentrations of - ANSWER✔✔ K+, Na+, & Cl-
,It is most important for intraoperative monitoring records to include notations of
- ANSWER✔✔ Surgical events
The Nyquist frequency is - ANSWER✔✔ Twice as great as the highest frequency
D waves are recorded from which of the following electrodes? - ANSWER✔✔
Epidural electrodes over the spinal cord
Signal - to - noise ratio relates to which of the following? - ANSWER✔✔ The
amplitude of the evoked response components to the amplitude of the unrelated
components
Which of the following is the down going potential recorded at about 12 msec
following stimulation of the ear in the above diagram? - ANSWER✔✔
Postauricular muscle reflex
Inflammation of the covering of the brain or spinal cord is called: - ANSWER✔✔
Meningitis
The use of intraoperative monitoring during scoliosis surgery may replace the -
ANSWER✔✔ Romberg test
P14 is a far field, sub cortically generated response which probably reflects -
ANSWER✔✔ Caudal medial lemniscal activity
Scalp-to-noncephalic reference - ANSWER✔✔ Fz-C5S
, A post incision baseline recording is used to - ANSWER✔✔ Establish a standard
for the patient
The ulnar nerve is formed at spinal levels: - ANSWER✔✔ C7-T1
Which of the following systolic blood pressures is most likely to attenuate the
evoked potential? - ANSWER✔✔ 120 mm/Hg
With a sampling rate of 10 kHz the shortest sine wave resolved would be -
ANSWER✔✔ 0.2 msec
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 a
stimulus duration is 100 usec. Which of the following would most likely reduce
the patient's discomfort while maintaining adequate stimulation? - ANSWER✔✔
Decrease number of repetitions
To dissect a vestibular schwannoma, which surgical approach usually sacrifices
hearing? - ANSWER✔✔ Translabyrinthine
Exteroceptors and proprioceptors include all of the following except: -
ANSWER✔✔ Tectorial membrane
Penetration of the sterile surgical field occurs when - ANSWER✔✔ The surgeon's
arm brushes against the recording equipment
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