EEG BOARD PREP PRACTICE QUESTIONS
What stage of sleep will you find vertex waves?
N1
What stage of sleep will you see sleep spindles?
N2
What stage of sleep will you see POSTS?
N1
What would an EEG look like of someone who has down syndrome?
Normal
If a patient is becoming "deeper" in a coma, triphasic waves are most likely to do
what?
Disappear
What normal activity can be seen in C3/C4?
Mu
What is seen most often in children?
Rolandic spikes
What region do you see Rolandic spikes?
central
At which conceptal age do you begin to see delta brushes?
32-34 weeks
electrocebral inactivity is defined as no EEG activity over what?
2 microvolts
Immediately following an absence seizure the EEG will be?
normal
beta coma most commonly results from what?
drug overdose
a skull defect will result in what EEG pattern?
breech rhythm
What feature is most diagnostic of psychogenic PNES?
no disruption of the PDR
an electrographic seizure is characterized by what activity?
episodic rhymes activity
What is most useful when determining localization and polarity?
montage
what normal variant has positive polarity?
lambda
according to guidelines what is the bandwidth for routine EEGs?
1-70 hz
how many millimeters are in one centimeter?
10 mm
what is unilateral spikes considered ?
focal abnormality
what are the 3 best ways to describe EEG patterns and seizures?
morphology, location, frequecy
what is another name for small sharp spikes ?
, BETS
what makes lambda different from posts?
occurs with eyes open
are spikes considered abnormal?
yes
what type of activity will a neonatal seizure show on an EEG?
focal rhythmic ativity
What montage should be used for an ECI according to guidelines?
double distance
which filter setting will record the greatest effect on a 70 Hz wave?
70 Hz
what is most attenuated by a low filter of 5 Hz
.1 Hz
what localization is most used in referential montages?
amplitude
A patient with ms will have what type of EEG?
normal
what is the value in psychiatric disorders?
rules out seizures
If a patient has a skull defect it is very important to what?
document history
When evaluating abnormal discharges what 2 things should you document?
level of consciousness and movement
what activity will be seen on an EEG 2 days after a transient ischemic attack (TIA)
normal
With rapidly increasing dosage, which medications will have the most sedative
effect on the patient?
barbituates
What is used to treat infantile spasms?
ACTH
The main difference between simple partial and complex partial is what?
preservation of consciousness
The onset of west syndrome is most likely to occur at what age?
4 months
This childhood disorder is characterized by acquired aphasia, multifocal
epileptiform abnormalities and focal or generalized seizures.
Landau-Kleffner syndrome
What is a characteristic of CJD?
myoclonus
Sterge - Weber disease begins at what age?
infancy or birth
An abbreviated 10-20 placement, respiration, ECG, and EOG monitors should be
used when recording what age?
neonates
What disease has characteristics of high amplitude spikes in the occipital region
and is time locked with a slow photic stimulus rate in young children?
What stage of sleep will you find vertex waves?
N1
What stage of sleep will you see sleep spindles?
N2
What stage of sleep will you see POSTS?
N1
What would an EEG look like of someone who has down syndrome?
Normal
If a patient is becoming "deeper" in a coma, triphasic waves are most likely to do
what?
Disappear
What normal activity can be seen in C3/C4?
Mu
What is seen most often in children?
Rolandic spikes
What region do you see Rolandic spikes?
central
At which conceptal age do you begin to see delta brushes?
32-34 weeks
electrocebral inactivity is defined as no EEG activity over what?
2 microvolts
Immediately following an absence seizure the EEG will be?
normal
beta coma most commonly results from what?
drug overdose
a skull defect will result in what EEG pattern?
breech rhythm
What feature is most diagnostic of psychogenic PNES?
no disruption of the PDR
an electrographic seizure is characterized by what activity?
episodic rhymes activity
What is most useful when determining localization and polarity?
montage
what normal variant has positive polarity?
lambda
according to guidelines what is the bandwidth for routine EEGs?
1-70 hz
how many millimeters are in one centimeter?
10 mm
what is unilateral spikes considered ?
focal abnormality
what are the 3 best ways to describe EEG patterns and seizures?
morphology, location, frequecy
what is another name for small sharp spikes ?
, BETS
what makes lambda different from posts?
occurs with eyes open
are spikes considered abnormal?
yes
what type of activity will a neonatal seizure show on an EEG?
focal rhythmic ativity
What montage should be used for an ECI according to guidelines?
double distance
which filter setting will record the greatest effect on a 70 Hz wave?
70 Hz
what is most attenuated by a low filter of 5 Hz
.1 Hz
what localization is most used in referential montages?
amplitude
A patient with ms will have what type of EEG?
normal
what is the value in psychiatric disorders?
rules out seizures
If a patient has a skull defect it is very important to what?
document history
When evaluating abnormal discharges what 2 things should you document?
level of consciousness and movement
what activity will be seen on an EEG 2 days after a transient ischemic attack (TIA)
normal
With rapidly increasing dosage, which medications will have the most sedative
effect on the patient?
barbituates
What is used to treat infantile spasms?
ACTH
The main difference between simple partial and complex partial is what?
preservation of consciousness
The onset of west syndrome is most likely to occur at what age?
4 months
This childhood disorder is characterized by acquired aphasia, multifocal
epileptiform abnormalities and focal or generalized seizures.
Landau-Kleffner syndrome
What is a characteristic of CJD?
myoclonus
Sterge - Weber disease begins at what age?
infancy or birth
An abbreviated 10-20 placement, respiration, ECG, and EOG monitors should be
used when recording what age?
neonates
What disease has characteristics of high amplitude spikes in the occipital region
and is time locked with a slow photic stimulus rate in young children?
