ANSWERS (VERIFIED AND WELL ELABORATED
ANSWERS) LATEST UPDATE 2025
which of the following extra electrodes might best demonstrate the EEG activity
associated with focal motor twitching of the right corner of the mouth? -
..(answers)..C5
sphenoidal electrodes are used to record activity from the - ..(answers)..anterior
temporal lobes
what additional electrodes could be placed to help decipher between artifact and
cortical activity - ..(answers)..EOG electrodes
what type of monitoring would be useful in an EEG with a patient experiencing
syncope? - ..(answers)..ECG
an abbreviated 10-20 placement, respiration, ECG and EOG monitors should be
used when recording - ..(answers)..neonates
what additional monitoring should be done in a middle age patient who
repeatedly alerts from sleep during the EEG? - ..(answers)..Respiration
brain abscess - ..(answers)..focal polymorphic delta activity
,Cortical EEG recordings can be obscured in patients who are tense and anxious
due to - ..(answers)..myogenic artifact
which combination of settings will help enhance a low voltage slow wave that is
being masked by muscle activity? - ..(answers)..Sen 5; LF .3; HF 35
to enhance the background alpha and beta asymmetry in an EEG record showing
moderately high voltage delta activity, the tech should use a - ..(answers)..shorter
time constant and increased sensitivity
A waveform of 0.5 Hz can be best enhanced with a filter of - ..(answers)..LF 0.3 Hz
of the following, the BEST choice of reference to be used when recording in
suspected temporal lobe epilepsy is - ..(answers)..CZ
Which montage would be best to localize occipital spikes by phase reversal? -
..(answers)..circumferential bipolar montage
When using the average reference, if a spike-and-wave focus appears at C3, the
abnormality would be best enhanced by - ..(answers)..excluding C3 and
surrounding electrodes from reference
which of the following montages would best display the amplitude of a left
temporal spike - ..(answers)..left temporal to the contralateral ear
, when attempting to minimize relentless muscle artifact on a recording, the tech
should be aware that lowering the high filter could cause the artifact to resemble
- ..(answers)..beta activity
Referential recording is most appropriate for measuring - ..(answers)..voltage
which of the following settings could be used to reduce the effects of sweat
artifact in a patient with asymmetrical low-voltage fast activity? - ..(answers)..-S =
5 microvolts/mm
-LF = 5 Hz
-HF = 70 Hz
which of the following is the most appropriate instrumentation setting change
that should be made in order to enhance cortical slowing? - ..(answers)..Change
the LFF from 1 Hz to .1 Hz
Fourteen and six Hz positive spikes are best recorded with - ..(answers)..the
contralateral ear reference
The best reference electrode in an awake patient with excessive temporal
myogenic activity would be - ..(answers)..Cz
A slow wave focus is best seen with - ..(answers)..LF 0.3 Hz, paper speed 15
mm/sec