What type of seizure is NOT associated with Lennox-Gastaut Syndrome?
Complex Seizure
A meningioma is usually:
encapsulated
What type of
... [Show More] seizure is a Deja Vu?
Focal seizure
Where do most brain tumors occur in children?
Posterior fossa
a Scotoma is an:
area of visual loss
When testing an outpatient with active TB, it is necessary for the patient to:
wear a mask
Papilledema is most common in which of the following conitions?
Posterior Fossa tumors
Nasion to Inion is 34cm, what is the distance from FZ to OZ?
20.4 cm
Focal or unilateral suppression and slowing could be a result of a:
subdural hematoma
Blood in the cerebrospinal fluid could be the result of a:
Subarachnoid hemorrhage
focal or unilateral suppression and slowing:
Subdural hematoma
Which of the following may be indicated by the presence of blood in the cerebrospinal fluid
Subarachnoid hemorrhage
occipital spikes in response to low frequency flashes are commonly see in:
Battens disease
Photic induced epileptic discharges are most likely associated with:
Barbiturate withdrawal
a 60 year old male presents with new onset dementia and myoclonus. What would you expect to see on the EEG?
GPD's
ADA stands for:
arrhythmic delta activity
Basilar artery stroke, what do you expecd to see?
Diplopia
What would you expect to see in the frontal regions of a normal adult?
Low Voltage fast activity and eye movement artifact.
PLED's are not typically seen in patients with:
Lennox-Gastaut
A waveform of 0.5 hz can be enhanced with a filter of:
0.3 hz
Sphenodial electrodes are used to record activity from the:
Anterior temporal lobes
If a person repeatedly alerts from sleep, consider using a:
respiration belt
what would you expect to see from a brain abcess?
focal polymorphic delta activity
If a patient is experiencing syncope, consider adding a:
ECG monitor
Cortical EEG recordings can be obscured in patients who are tense and anxious due to:
myogenic artifact
The sharpness of the frequency response curve is determined by the:
Filter ROLLOFF
System Gain?
ratio of amplifiers output to input signal
a time constant of 0.5 sec:
High pass filter of 0.3 hz
A pdr reactive to eye closure first appears around:
3-6 months of age
a 5 month old infant will most likely have a pdr of:
5hz
Which encephalopathis EEG paettern is most commonly associated with children?
OIRDA
Vertex waves (in pediatric EEG recordings) are generally:
Sharper in children
In an 8 year old child develps high voltage bilateral delta activity maximal in the posterior regions during hyperventialation, it most likely indicates:
a normal hyperventilation response
High voltage theta or delta waves, commonly seen in children 8-14 years old, accentuated by hyperventilation:
PSWY Posterior Slow Waves of Youth
The interictal EEG of children with a history of untreated febrile seizures usually is:
Normal
Asynchrony of sleep spindles is abnormal after:
2 years old
Seen most often in children:
Rolandic Spikes
By which of the following ages should EEG differentiation of the four stages of non-REM sleep be identifiable in a child born at term?
6 months
What percentage of adults have asymmetrical alpha?
6%
EEG with a very tense and anxious patient shows:
Widespread low voltage activity
When the posterior background rhythm does not attenuate with eye opening it is referred to as:
Bancaud phenomenon
Bancaud Phenomenon:
is when the posterior background rhythm does not attenuate with eye opening
Delta acivity would be abnormal in:
awake 55 year old patient
asymmetric attenuation of alpha activity is:
abnormal
This combination of settings will help enhance a low voltage slow wave that is being masked by muscle activity
S=5, LF .3, HF 35
What montage would be best to localize occipital spikes by phase reversal?
Circumferential bipolar montage
14 and 6 hz Positive spikes are best recorded with:
a contralateral ear reference montage
to reduce sweat artifact in a patient with asymmetrical low-voltage activity:
S-5, LFF 5hz, HFF 70 hz
a source reference derivation:
Laplacian montage
A laplacian montage:
source reference derivation
When attempting to minimize relentless muscle artifact on a recording, the technologist should be aware that lowering the HFF could cause the artifact to resemble:
Beta activity
To enhance the background alpha and beta asymmetry in an EEG record showing moderately high voltage delta activity, the technologist should use a:
Shorter time constant and increased sensitivity
referential recording is most appropriate for measuring:
Voltage
The best montage to display the amplitude of a left temporal spike?
Left temporal to the contralater ear montage
When using the average reference, if a spike-and-wave focus appears at C3, the abnormality would be best enhanced by:
Excluding C3 and surrounding electrodes from reference
Subacute panencephalitis (SSPE) is caused from what disease?
Measles
Where is the cingulate cortex located in relation to the corpus callosum?
Superiorlyl
Creutzfeldt-Jakob Disease
Periodic sharp waves
PLEDS
Acute cerebral infarction [Show Less]