R. EEGT Exam Practice Questions with Correct
Answers Provided
Diplopia - Answer Double vision
Which normal waveform is NOT typically seen in the posterior leads? (Wickets, photic driving, Lambda,
POSTS) - Answer Wickets
The EEG of a patient with Down's syndrome is most likely to show: - Answer normal activity
The sharpness of the frequency response curve is determined by the filter ___ - Answer rolloff
A lesion of the uncus may result in - Answer olfactory hallucinations
Delta brushes are seen in what type of patients - Answer premature infants
Changes in personality are most likely associated with tumors of the __ lobe - Answer frontal lobe
What type of seizure is NOT associated with Lennox Gastaut syndrome - Answer complex seizures
Which of the following is most closely related to the measurement of voltage in relation to current and
resistance - Answer Ohms law
A meningioma is usually
-infiltrating,
-metastatic,
-rapid growing
-encapsulated - Answer
impedance can best be described as
,-current produced by a wire coil in a magnetic field
-ability to store an electrical charge
-resistance to alternating current
-resistance to direct current - Answer ...resistance to alternating current
What normal activity would be seen most prominently at the C3 or C4 electrode position?
-POSTS
-Mu
-Alpha
-FIRDA - Answer Mu
It is common for FIRDA to
-be considered normal in adults age 30 to 50
-be confused with nystagmus
-react to stimulation
-have spikes intermixed - Answer ...be confused with nystagmus
Voltage Resolution is correlated with
-Bandwith
-Sample rate
-Analog to digital converter - Answer Analog to digital converter
A large lesion at the optic chiasm will likely produce.. - Answer complete visual loss
What EEG finding indicates the worst prognosis in patients with cerebral hemorrhages? - Answer burst
suppression pattern
The neurological examination is most likely to be abnormal in patients with
-Lennox Gastaut
,-juvenile myoclonic epilepsy
-Rolandic epilepsy - Answer Lennox gastaut
Through what opening do the lateral ventricles merge with the third ventricle? - Answer Foramen of
monroe
What enviornmental factors enhance LAMDBA? - Answer Scanning high complexity visual scene
Compared to recordings from adult patients, Vertex Waves in pediatric EEG recordings are generally -
Answer Sharper
Periodic lateralized epileptiform discharges are most likely associated with which condition - Answer
Herpes simplex encephalitis
In patients with myoclonic epilepsy of Janz, seizures are most likely to occur: - Answer In the morning
During which of the following types of seizures would a patient be likely to experience deja vu?
-myoclonic
-complex partial
-generalized non convulsive
-atonic - Answer ...complex partial
A common electrographic correlate of a seizure
-irregular polymorphic delta
-rhythmic activity
-single bifrontal spikes
-intermittent temporal spikes - Answer rhythmic activity
Which mathematically converts the time function into a sine wave of different frequencies
, -Fast fourier transform
-impedance meter
-A/D converter
-Differential amplifier - Answer Fast fourier transform
When a large amount of electrode paste is used to hold EEG electrodes in place, the total recording area
will be the
-scalp surface area of the paste
-diameter of the EEG electrode
-inner surface area of the electrode
-inner plus outer surface area of the electrode - Answer total scalp surface area of the paste
Photic induced epileptiform discharges are most likely associated with
-meningitis
-barbiturate withdrawal
-hepatic encephalopathy
-down syndrome - Answer barbiturate withdrawal
What clinical signs are expected to be seen if a patient has a stroke involving the left anterior cerebral
artery?
-left lower extremity sensory loss
-right homonymous hemianopsia
-left homonymous hemianopsia
-right lower extremity sensory loss - Answer Right lower extremity sensory loss
Clipping of the waveforms occurs when: - Answer the signal is outside the range of the digitizer
Using the International 10-20 electrode placements, if the distance from Fp2 to F4 is 5.5 cm, what is the
distance from P4 to 02? - Answer 5.5cm
Answers Provided
Diplopia - Answer Double vision
Which normal waveform is NOT typically seen in the posterior leads? (Wickets, photic driving, Lambda,
POSTS) - Answer Wickets
The EEG of a patient with Down's syndrome is most likely to show: - Answer normal activity
The sharpness of the frequency response curve is determined by the filter ___ - Answer rolloff
A lesion of the uncus may result in - Answer olfactory hallucinations
Delta brushes are seen in what type of patients - Answer premature infants
Changes in personality are most likely associated with tumors of the __ lobe - Answer frontal lobe
What type of seizure is NOT associated with Lennox Gastaut syndrome - Answer complex seizures
Which of the following is most closely related to the measurement of voltage in relation to current and
resistance - Answer Ohms law
A meningioma is usually
-infiltrating,
-metastatic,
-rapid growing
-encapsulated - Answer
impedance can best be described as
,-current produced by a wire coil in a magnetic field
-ability to store an electrical charge
-resistance to alternating current
-resistance to direct current - Answer ...resistance to alternating current
What normal activity would be seen most prominently at the C3 or C4 electrode position?
-POSTS
-Mu
-Alpha
-FIRDA - Answer Mu
It is common for FIRDA to
-be considered normal in adults age 30 to 50
-be confused with nystagmus
-react to stimulation
-have spikes intermixed - Answer ...be confused with nystagmus
Voltage Resolution is correlated with
-Bandwith
-Sample rate
-Analog to digital converter - Answer Analog to digital converter
A large lesion at the optic chiasm will likely produce.. - Answer complete visual loss
What EEG finding indicates the worst prognosis in patients with cerebral hemorrhages? - Answer burst
suppression pattern
The neurological examination is most likely to be abnormal in patients with
-Lennox Gastaut
,-juvenile myoclonic epilepsy
-Rolandic epilepsy - Answer Lennox gastaut
Through what opening do the lateral ventricles merge with the third ventricle? - Answer Foramen of
monroe
What enviornmental factors enhance LAMDBA? - Answer Scanning high complexity visual scene
Compared to recordings from adult patients, Vertex Waves in pediatric EEG recordings are generally -
Answer Sharper
Periodic lateralized epileptiform discharges are most likely associated with which condition - Answer
Herpes simplex encephalitis
In patients with myoclonic epilepsy of Janz, seizures are most likely to occur: - Answer In the morning
During which of the following types of seizures would a patient be likely to experience deja vu?
-myoclonic
-complex partial
-generalized non convulsive
-atonic - Answer ...complex partial
A common electrographic correlate of a seizure
-irregular polymorphic delta
-rhythmic activity
-single bifrontal spikes
-intermittent temporal spikes - Answer rhythmic activity
Which mathematically converts the time function into a sine wave of different frequencies
, -Fast fourier transform
-impedance meter
-A/D converter
-Differential amplifier - Answer Fast fourier transform
When a large amount of electrode paste is used to hold EEG electrodes in place, the total recording area
will be the
-scalp surface area of the paste
-diameter of the EEG electrode
-inner surface area of the electrode
-inner plus outer surface area of the electrode - Answer total scalp surface area of the paste
Photic induced epileptiform discharges are most likely associated with
-meningitis
-barbiturate withdrawal
-hepatic encephalopathy
-down syndrome - Answer barbiturate withdrawal
What clinical signs are expected to be seen if a patient has a stroke involving the left anterior cerebral
artery?
-left lower extremity sensory loss
-right homonymous hemianopsia
-left homonymous hemianopsia
-right lower extremity sensory loss - Answer Right lower extremity sensory loss
Clipping of the waveforms occurs when: - Answer the signal is outside the range of the digitizer
Using the International 10-20 electrode placements, if the distance from Fp2 to F4 is 5.5 cm, what is the
distance from P4 to 02? - Answer 5.5cm
