Real Exam Questions And Correct Answers (Verified Answers)
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if a pts hemoglobin is below 10g/dL, the SSEP waveform will
likely - ANSWER-
decrease in
amplitude
what percentage of blood in the COW is supplied by the two
internal carotid
arteries? - ANSWER-
80-90%
fibers anterior to the optic chiasm are called _________, and
fibers posterior to the lateral geniculate body are called -
ANSWER-optic nerves, optic radiations
the idea that responses of very high amplitude are likely to
contain artifact
contain the basis for - ANSWER-artifact
rejection
Gold standard for a CEA - ANSWER-16 channel EEG
, how often are national safety goals released - ANSWER-
annually
what are MRI conditional electrodes made out of? - ANSWER-
nickel titanium
if a ptients stimulus theshold is 20dbSPL what is the stim
intensity when the pt
is tested at at 80dbSPL? - ANSWER-
60 dbSPL
trigeminal neuralgia is usually caused by compression of
which artery? -
ANSWER-SCA - superior
cerebellar artery
N22 near or far field? stationary or propagated? -
ANSWER-near field,
Stationary
what sseps are most useful in IONM of a left ACA aneurysm -
ANSWER-R PTN
cortical
SSEPs
FORGET paradoxical lateralization; the axons land in the
longitudinal fissure on