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CNIM Practice Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
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CNIM Practice Exam 3 Questions And Answers With Verified Solutions Already Passed!!!
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CNIM Practice Exam 3 Questions AndAnswers With Verified Solutions Already
Passed!!!
When all raw traces are being rejected, you may need to:
Increase the vertical display sensitivity
Decrease the stimulus intensity
Turn off the artifact reject
Increase the repetition rate - ANSWER✔✔ Turn off the artifact reject
The sound intensity equivalent for ABR clicks that is compared to the physical
measurement of sound is
dB
dB pe SPL
dB SL
dB HL - ANSWER✔✔ dB pe SPL
To reduce artifact from electrode wire movement during surgery, it is best to
use long wires and tuck them under the patient
braid the wires
loop the wires under the patient's head
use only paste and gold disc electrodes - ANSWER✔✔ braid the wires
,It is required that the monitoring technologist be able to communicate effectively
with
the surgical technologist
surgical residents
the surgeon only
the anesthesiologist and surgeon - ANSWER✔✔ the surgical technologist
surgical residents
the surgeon only
the anesthesiologist and surgeon
Hoffmann's sign is
plantar extension of the hallux when the sole of the foot is stroked
loss of deep pain sensation as evidenced by diminished sensation to the
application of pressure to the ulnar nerve
loss of deep pain sensation as evidenced by diminished sensation to the
application of pressure to the testicle
palmar flexion of the thumb when the distal phalanx of the middle finger of the
same hand is rapidly stroked - ANSWER✔✔ palmar flexion of the thumb when the
distal phalanx of the middle finger of the same hand is rapidly stroked
Fast Fourier transformation
determines the time domain of the raw EEG
,uses the zero-crossing frequency
is the mathematical transformation of a complex waveform into simpler, more
uniform waves
is a function of the spectral edge - ANSWER✔✔ is the mathematical
transformation of a complex waveform into simpler, more uniform waves
EEG waves with a frequency of 5 Hz can be classified as what type of EEG?
alpha activity
beta activity
delta activity
theta activity - ANSWER✔✔ theta activity
When monitoring with SSEPs, dural or direct cord recordings are advantageous
because
they present less discomfort to the patient than scalp leads
they have less chance of artifact during cauterization
the waveforms better reflect cortical responses to stimulation
the waveforms are higher in amplitude and require fewer averages - ANSWER✔✔
the waveforms are higher in amplitude and require fewer averages
The type of artifact most likely associated with blood warming equipment is
baseline sway
, 60 Hz
popping electrodes
increased stimulus artifact - ANSWER✔✔ 60 Hz
X - Cardiac activity appears on the CSA/DSA display as
delta activity
alpha activity
beta activity
intermittent theta - ANSWER✔✔ delta activity
If the surgeon's arm unknowingly brushes an undraped microscope
Inform the surgeon
Ask the circulating nurse to clean and drape the microscope
Place a sticker marked (contaminated) on the microscope
There is no need for any action - ANSWER✔✔ Inform the surgeon
The use of the 60 Hz notch filter is discouraged while recording because it can
produce a risk to the patient
produce ringing activity that can contaminate the appearance of the response
cause the recording electrodes to form a salt bridge
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