EEG BOARD PREP EXAM QUESTIONS
AND ANSWERS 2026 VERIFIED.
The EEG amplifier is designed so that when input 1 is more negative than input 2, the deflection
will be - ANS UPWARD
Common Mode Rejection - ANS the characteristic of an amplifier that rejects external
interference
WHICH OF THE FOLLOWING IS MOST ATTENUATED BY A LOW FREQUENCY FILTER OF 1HZ -
ANS 0.1 HZ
TIME CONSTANT IS DEFINED AS THE TIME REQUIRED TO... - ANS FOR THE DEFLECTION TO
FALL (DECAY) TO 67% OF THE PEAK DEFLECTION
An EEG record has 3/sec spike & wave discharges. Both the spike and the slow wave have
voltages of 100uV. If this discharge is recorded with a LFF of 5Hz and a sensitivity of 10uV/mm,
what would be the deflection of the spike and the wave?
a. spike 10mm & wave 6mm
b. spike 6mm & wave 10mm
c. spike 10mm & wave 10mm
d. spike 6mm & wave 6mm - ANS SPIKE 10MM, WAVE 6MM
A HIGH FREQUENCY SETTING OF 35HZ WOULD ATTENUATE 50HZ MUSCLE ACTIVITY BY
APPROXIMATELY WHAT PERCENTAGE? - ANS 40%
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 20
,ACCORDING TO ACNS GUIDELINES, RECORDING CLINICAL EEG ON DIGITAL MEDIA REQUIRES
MONITORS TO HAVE WHAT - ANS BETWEEN 25 AND 35MM/SECOND HORIZONTAL SCALING
AND A MINIMUM OF 100 DATA POINTS/SECOND TO ACCURATELY DISPLAY EEG ON THE
MONITOR SCREEN
IN A RECORD WITH 10HZ ALPHA ACTIVITY. WHEN THE DISPLAY EPOCH IS CHANGED FROM 10
SECONDS PER DISPLAY SCREEN TO 20 SECONDS PER DISPLAY SCREEN, THE FREQUENCY OF THE
ACITIVTY WILL BE WHAT? - ANS 10HZ
GUIDELINES FOR RECORDING DIGITAL EEG ARE WRITTEN BY WHO? - ANS THE AMERICAN
CLINICAL NEUROPHYSIOLOGY SOCIETY (ACNS)
THE TERM RAM MEANS WHAT - ANS TEMPORARY MEMORY STORAGE THAT IS CRITICAL TO
RAPID COMPUTER OPERATIONS
THE ELECTRODE SITE THAT IS LOCATED 1CM ABOVE, ONE THIRD THE DISTANCE OUT FROM THE
LEFT EXTERNAL AUDITORY MEATUS TOWARDS THE LEFT OUTER CANTHUS IS CALLED WHAT -
ANS T1 OR F9
Due to a central scalp lesion, C4 has to be relocated 4mm anteriorly. The technologist should:
a. relocate C3 4mm anteriorly
b. make no other placement changes
c. relocate P3 4mm anteriorly
d. relocate all electrodes in the right parasagittal plane 4mm anteriorly - ANS A. RELOCATE C3
4MM ANTERIORLY
IN A REFERENTIAL MONTAGE, HOW IS THE ORIGIN OF THE POTENTIAL DETERMINED? -
ANS AMPLITUDE
WHEN RECORDING FOR ECI, INTERELECTRODE IMPEDANCES SHOULD BE AT LEAST____ OHMS,
BUT LESS THAN _____ OHMS. - ANS 100----10,000
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 20
, WHEN RECORDING FOR ECI, IT IS RECOMMENDED THAT THE SENSITIVITY BE _____ uV/MM AND
THE LOW FILTER SHOULD NOT BE HIGHER THAN ____HZ. FOR AT LEAST____MINS OF
RECORDING. - ANS 2uV, 1.0HZ, 30 MINS
THE TRACTS CONNECTING THE RIGHT AND LEFT HEMISPHERES ARE CALLED WHAT? -
ANS CORPUS CALLOSUM
THE CENTRAL SULCUS (FISSURE OF ROLANDO) DEMARCATES WHAT? - ANS FRONTAL AND
PARIETAL LOBES
THE TRIGEMINAL NERVE DOES? - ANS IS THE MAJOR SENSORY NERVE OF THE FACE
A SUBARACHNOID HEMORRHAGE OCCURS WHERE? - ANS BETWEEN TWO LAYERS OF THE
MENINGES
THE CARDIOVASCULAR AND RESP CENTERS FOR AUTOMATIC CONTROL OF HEART RATE AND
RESPIRATION ARE FOUND IN? - ANS MEDULLA
Thrombosis of the anterior cerebral artery is most likely due to cause:
a. nystagmus
b. contralateral lower extremity weakness
c. contralateral facial weakness
d. aphasia - ANS CONTRALATERAL LOWER EXTREMITY WEAKNESS
Thrombosis of the right middle cerebral artery would most likely cause - ANS LEFT SIDED
PARALYSIS, PRIMARILY OF THE FACE AND ARM
INFLAMMATION OF THE COVERINGS OF THE BRAIN OR SPINAL CORD IS CALLED ? -
ANS MENINGITIS
A MALIGNANT TUMOR PRIMARILY SEEN IN CHILDREN MAY BE? - ANS MEDULLOBLASTOMA
@COPYRIGHT ALL RIGHTS RESERVED PAGE 3 OF 20
AND ANSWERS 2026 VERIFIED.
The EEG amplifier is designed so that when input 1 is more negative than input 2, the deflection
will be - ANS UPWARD
Common Mode Rejection - ANS the characteristic of an amplifier that rejects external
interference
WHICH OF THE FOLLOWING IS MOST ATTENUATED BY A LOW FREQUENCY FILTER OF 1HZ -
ANS 0.1 HZ
TIME CONSTANT IS DEFINED AS THE TIME REQUIRED TO... - ANS FOR THE DEFLECTION TO
FALL (DECAY) TO 67% OF THE PEAK DEFLECTION
An EEG record has 3/sec spike & wave discharges. Both the spike and the slow wave have
voltages of 100uV. If this discharge is recorded with a LFF of 5Hz and a sensitivity of 10uV/mm,
what would be the deflection of the spike and the wave?
a. spike 10mm & wave 6mm
b. spike 6mm & wave 10mm
c. spike 10mm & wave 10mm
d. spike 6mm & wave 6mm - ANS SPIKE 10MM, WAVE 6MM
A HIGH FREQUENCY SETTING OF 35HZ WOULD ATTENUATE 50HZ MUSCLE ACTIVITY BY
APPROXIMATELY WHAT PERCENTAGE? - ANS 40%
@COPYRIGHT ALL RIGHTS RESERVED PAGE 1 OF 20
,ACCORDING TO ACNS GUIDELINES, RECORDING CLINICAL EEG ON DIGITAL MEDIA REQUIRES
MONITORS TO HAVE WHAT - ANS BETWEEN 25 AND 35MM/SECOND HORIZONTAL SCALING
AND A MINIMUM OF 100 DATA POINTS/SECOND TO ACCURATELY DISPLAY EEG ON THE
MONITOR SCREEN
IN A RECORD WITH 10HZ ALPHA ACTIVITY. WHEN THE DISPLAY EPOCH IS CHANGED FROM 10
SECONDS PER DISPLAY SCREEN TO 20 SECONDS PER DISPLAY SCREEN, THE FREQUENCY OF THE
ACITIVTY WILL BE WHAT? - ANS 10HZ
GUIDELINES FOR RECORDING DIGITAL EEG ARE WRITTEN BY WHO? - ANS THE AMERICAN
CLINICAL NEUROPHYSIOLOGY SOCIETY (ACNS)
THE TERM RAM MEANS WHAT - ANS TEMPORARY MEMORY STORAGE THAT IS CRITICAL TO
RAPID COMPUTER OPERATIONS
THE ELECTRODE SITE THAT IS LOCATED 1CM ABOVE, ONE THIRD THE DISTANCE OUT FROM THE
LEFT EXTERNAL AUDITORY MEATUS TOWARDS THE LEFT OUTER CANTHUS IS CALLED WHAT -
ANS T1 OR F9
Due to a central scalp lesion, C4 has to be relocated 4mm anteriorly. The technologist should:
a. relocate C3 4mm anteriorly
b. make no other placement changes
c. relocate P3 4mm anteriorly
d. relocate all electrodes in the right parasagittal plane 4mm anteriorly - ANS A. RELOCATE C3
4MM ANTERIORLY
IN A REFERENTIAL MONTAGE, HOW IS THE ORIGIN OF THE POTENTIAL DETERMINED? -
ANS AMPLITUDE
WHEN RECORDING FOR ECI, INTERELECTRODE IMPEDANCES SHOULD BE AT LEAST____ OHMS,
BUT LESS THAN _____ OHMS. - ANS 100----10,000
@COPYRIGHT ALL RIGHTS RESERVED PAGE 2 OF 20
, WHEN RECORDING FOR ECI, IT IS RECOMMENDED THAT THE SENSITIVITY BE _____ uV/MM AND
THE LOW FILTER SHOULD NOT BE HIGHER THAN ____HZ. FOR AT LEAST____MINS OF
RECORDING. - ANS 2uV, 1.0HZ, 30 MINS
THE TRACTS CONNECTING THE RIGHT AND LEFT HEMISPHERES ARE CALLED WHAT? -
ANS CORPUS CALLOSUM
THE CENTRAL SULCUS (FISSURE OF ROLANDO) DEMARCATES WHAT? - ANS FRONTAL AND
PARIETAL LOBES
THE TRIGEMINAL NERVE DOES? - ANS IS THE MAJOR SENSORY NERVE OF THE FACE
A SUBARACHNOID HEMORRHAGE OCCURS WHERE? - ANS BETWEEN TWO LAYERS OF THE
MENINGES
THE CARDIOVASCULAR AND RESP CENTERS FOR AUTOMATIC CONTROL OF HEART RATE AND
RESPIRATION ARE FOUND IN? - ANS MEDULLA
Thrombosis of the anterior cerebral artery is most likely due to cause:
a. nystagmus
b. contralateral lower extremity weakness
c. contralateral facial weakness
d. aphasia - ANS CONTRALATERAL LOWER EXTREMITY WEAKNESS
Thrombosis of the right middle cerebral artery would most likely cause - ANS LEFT SIDED
PARALYSIS, PRIMARILY OF THE FACE AND ARM
INFLAMMATION OF THE COVERINGS OF THE BRAIN OR SPINAL CORD IS CALLED ? -
ANS MENINGITIS
A MALIGNANT TUMOR PRIMARILY SEEN IN CHILDREN MAY BE? - ANS MEDULLOBLASTOMA
@COPYRIGHT ALL RIGHTS RESERVED PAGE 3 OF 20
