Hair cells - ANSWER: Cochlear microphonics are used to monitor what?
Increase in delta power and increase in alpha-beta power - ANSWER: What is the effect on EEG from induction using isoflurane?
A. Decreased delta followed by increased alpha/beta
B. Increase in delta power and increase in al...
Randomized Practice CNIM exam A
questions and answers
Hair cells - ANSWER: ✔✔Cochlear microphonics are used to monitor what?
Increase in delta power and increase in alpha-beta power - ANSWER: ✔✔What is the effect on EEG from
induction using isoflurane?
A. Decreased delta followed by increased alpha/beta
B. Increase in delta power and increase in alpha-beta power
C. Increase in low-voltage fast activity
D. Increased power at all frequencies
limb length - ANSWER: ✔✔What determines the latency of SSEPs most?
Lowering the impedances of ground and stimulating electrodes - ANSWER: ✔✔Stimulus artifact during
SSEPs can be decreased by:
A. Separating stimulating cables from cables of other equipment
B. Keeping the instrument away from florescent lights and video monitors
C. Using enough muscle relaxant
D. Lowering the impedances of ground and stimulating electrodes
Is recorded over a generalized region of the scalp - ANSWER: ✔✔The P31 response to posterior tibial
nerve stimulation:
A. is generated by the thalamus
B. Reflects post-synaptic activity in the cervical spinal cord
C. Is recordable over a generalized region of the scalp
D. Is best recorded by an electrode placed at Cs5
, The amount of chassis leakage possible - ANSWER: ✔✔Using an extension cord in the operating room
increases:
A. The potential for a ground leak
B. Amplifier input impedance
C. The amount of chassis leakage possible
D. Amplitude of responses
Posterior to the chiasm - ANSWER: ✔✔A leasing causing homonymous hemianopsia would most likely
be located
A. at the optic chiasm
B. anterior to the chiasm
C. posterior to the chiasm
D. In the retina
C4 positive - ANSWER: ✔✔The location of the electrode that will yield a left hand MEP at the lowest
threshold will be:
A. C4 positive
B. C4 negative
C. C3 negative
500 uS - ANSWER: ✔✔What is the maximum recommended stimulation for lower SSEPS?
A. 500 uS
B. 400 uS
C. 300 uS
D. 1000 uS
Heschl's gyrus - ANSWER: ✔✔What is the primary cortical receiving area for audition?
A. Middle temporal gyrus
B. Parahippocampal gyrus
C. INferior temporal gyrus
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