EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
The basic unit for measuring current flow is? Ampere
a. Atomic weight
b. Volt
c. Ampere
d. Coulomb
Which is not a unit for measuring alternating frequencies? Volts
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles
Which describes the action of a capacitor? Stores electrical energy
a. Opposes changes in current flow
b. Converts alternating current to direct current
c. Creates a direct current resistance
d. Stores electrical energy
The basic unit of resistance is? Ohm
a. Ohm
b. Coulomb
c. Ampere
d. Volt
What input voltage is necessary to give a calibration
deflection between 5 and 10mm if the sensitivity is
30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV
Which electrodes do not record directly from the brain?
a. Depth
b. Subdermal
c. Subdural
d. Epidural
The distance from Cz to Pz is 6.8cm. What is the distance 34cm
from nasion to inion?
a. 34mm
b. 68mm
c. 34cm
d. 68cm
Due to a scalp lesion, C4 has been relocated 4mm Relocate C3 4mm anteriorly
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
A highly malignant tumor primarily seen in children may Medulla Blastoma
be?
a. Pituitary adenoma
b. Medulla blastoma
c. Acoustic neuroma
d. Astrocytoma
Inflammation of the coverings of the brain or spinal cord is Meningitis
called?
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Scalp EEG is a result of summation of charges in which of Pyramidal cells
the following cortical cells?
a. Pyramidal cells
b. Horizontal cells
c. Stellate cells
d. Betz cells
Thrombosis of the anterior cerebral artery is most likely to Contralateral lower extremity weakness
cause?
a. Nystagmus
b. Contralateral lower extremity weakness
c. Contralateral facial weakness
d. Aphasia
Which infection is most likely to produce headache, fever, Meningitis
nuchal ridigity, coma, and death?
a. Meningitis
b. Herpes simplex encephalitis
c. Subacute sclerosing panencephalitis
d. Creutzfeldt-Jacob disease
Thrombosis of the right middle cerebral artery would most Left sided paralysis, primarily of the leg
likely cause?
a. Left sided paralysis, primarily face and arm
b. Left sided paralysis, primarily of the leg
c. Aphasia
d. Right homonymous hemianopsia
The Foramen of Munro is the? Opening between lateral ventricles and third ventricle of the brain
a. Opening between lateral ventricles and third ventricle of
the brain
b. Opening at the base of the skull
c. Opening between the ventricles of the heart
d. Opening between the third and fourth ventricle of the
brain
An action potential is an immediate result of which Depolarization
changes in the neuronal membrane?
a. Repolarization
b. Depolarization
c. Hyperpolarization
d. IPSP
The resting potential of a neuron is? 50-100mV with inside of the cell more negative than the outside
a. 50-100mV with the inside of the cell more negative than
the outside
b. 50-100mV with the inside of the cell more positive than
the outside
c. 50-100uV with the inside of the cell more positive than
the outside
d. 50-100uV with the inside of the cell more negative than
the outside
Which would not be considered a normal EEG pattern for a Persistent focal alpha frequency activity
full term infant?
a. Trace alternant
b. Isolated frontal sharp waves
c. Persistent focal alpha frequency activity
d. Beta-delta complexes in quiet sleep
A common seizure pattern in neonates is? Rhythmic focal activity
a. Generalized spike and wave
b. Rhythmic focal activity
c. Beta-delta complexes
d. Burst suppression
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Cranial nerve V's function is? Mastication
a. Movement of head/shoulder
b. Mastication
c. Facial expression
d. Auditory/balance
What is cranial nerve V? Mixed
a. Sensory
b. Mixed
c. Motor
d. All the above
Two main pathogens involved in the cause of Meningitis Viruses and bacteria
are?
a. Viruses and prions
b. Viruses and bacteria
c. Bacteria and fungi
d. Fungi and prions
When recording over a burr hole, the EEG may show? Higher amplitude activity over the affected area
a. No asymmetries
b. Lower amplitude activity over the affected area
c. Higher amplitude activity over the affected area d.
Slower frequencies over the affected area
Which EEG pattern carries a poor prognosis and is often Nonreactive continuous spindles
the result of respiratory or cardiac arrest?
a. Nonreactive continuous alpha
b. Hypsarrhythmia
c. Frontal Intermittent rhythmic delta
d. Continuous spindles
A little delta brain activity in an awake tracing of an adult is False
normal?
a. True
b. False
The bulk of the cerebrum is composed of? White matter
a. Fluid
b. White matter
c. Grey matter
d. Neuromodulators
Acetylcholine is responsible for? Voluntary movement of the muscles
a. Motor behavior
b. Voluntary movement of the muscles
c. Involuntary movement of the muscles
d. Movement and emotional arousal
Gamma Aminobutyric Acid is responsible for? Sensory transmission
a. Motor behavior
b. Wakefulness or arousal
c. Spinal reflexes and motor behavior
d. Sensory transmission
The largest part of the brain, divided into right and left Corpus Callosum
hemispheres, joined together by bands of white matter that
form a large fiber tract is called?
a. Diencephalon
b. Corpus callosum
c. Forebrain
d. Cerebral aqueduct
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Normal Alpha in an adult, should not be seen? In the frontal head regions
a. In the central and temporal lobes
b. With the eyes closed
c. In the frontal head regions
d. In stage N1 sleep
6-7Hz theta activity is typically seen in a normal adult in Onset of drowsiness
which of the following?
a. Occipital regions
b. Centrotemporal regions during photic stimulation c.
Onset of drowsiness
d. Low voltage, paroxysmal bursts over the frontal regions
When seen in the waking records of adolescents, posterior Attenuate when the patient opens their eyes
slow waves of youth?
a. Are a nonspecific abnormality
b. Are diagnostic of migraine headaches
c. Attenuate when the patient opens their eyes
d. Attenuate with fist clenching
A normal waking and sleeping adult EEG recording will not Delta range activity during alert stages
include this?
a. Rhythmic temporal theta
b. Diffuse low amplitude beta
c. Delta range activity during alert states
d. Vertex sharp waves
Symmetry of sleep spindles when present, is important in Physiological maturation of an infant
the evaluation of?
a. Physiological maturation of an infant
b. Seizures which occur during sleep
c. REM sleep
d. Spindle coma
Which is most attenuated by a low frequency filter of 1Hz? 0.1Hz
a. 0.5Hz
b. 5.0Hz
c. 10.0Hz
d. 0.1Hz
A record has 3/sec spike/wave discharges. Both spike and
wave have voltages of 100µV. If this discharge is recorded
with a low frequency filter of 5Hz and a sensitivity of
10µV/mm, what would the pen deflection of the spike and
the wave be?
a. Spike 10mm and wave 5mm
b. Spike 5 mm and wave 10mm
c. Spike 10mm and wave 10mm
d. Spike 5mm and wave 5mm
An EEG instrument records _____ from the patient? DC potentials
a. AC potentials
b. DC potentials
c. Difference of AC and DC potentials
d. None of the above
A ______ measures the difference in voltage between two Differential amplifier
points?
a. Differential amplifier
b. Input cable
c. Jack box
d. None of the above
The basic unit for measuring current flow is? Ampere
a. Atomic weight
b. Volt
c. Ampere
d. Coulomb
Which is not a unit for measuring alternating frequencies? Volts
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles
Which describes the action of a capacitor? Stores electrical energy
a. Opposes changes in current flow
b. Converts alternating current to direct current
c. Creates a direct current resistance
d. Stores electrical energy
The basic unit of resistance is? Ohm
a. Ohm
b. Coulomb
c. Ampere
d. Volt
What input voltage is necessary to give a calibration
deflection between 5 and 10mm if the sensitivity is
30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV
Which electrodes do not record directly from the brain?
a. Depth
b. Subdermal
c. Subdural
d. Epidural
The distance from Cz to Pz is 6.8cm. What is the distance 34cm
from nasion to inion?
a. 34mm
b. 68mm
c. 34cm
d. 68cm
Due to a scalp lesion, C4 has been relocated 4mm Relocate C3 4mm anteriorly
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
A highly malignant tumor primarily seen in children may Medulla Blastoma
be?
a. Pituitary adenoma
b. Medulla blastoma
c. Acoustic neuroma
d. Astrocytoma
Inflammation of the coverings of the brain or spinal cord is Meningitis
called?
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Scalp EEG is a result of summation of charges in which of Pyramidal cells
the following cortical cells?
a. Pyramidal cells
b. Horizontal cells
c. Stellate cells
d. Betz cells
Thrombosis of the anterior cerebral artery is most likely to Contralateral lower extremity weakness
cause?
a. Nystagmus
b. Contralateral lower extremity weakness
c. Contralateral facial weakness
d. Aphasia
Which infection is most likely to produce headache, fever, Meningitis
nuchal ridigity, coma, and death?
a. Meningitis
b. Herpes simplex encephalitis
c. Subacute sclerosing panencephalitis
d. Creutzfeldt-Jacob disease
Thrombosis of the right middle cerebral artery would most Left sided paralysis, primarily of the leg
likely cause?
a. Left sided paralysis, primarily face and arm
b. Left sided paralysis, primarily of the leg
c. Aphasia
d. Right homonymous hemianopsia
The Foramen of Munro is the? Opening between lateral ventricles and third ventricle of the brain
a. Opening between lateral ventricles and third ventricle of
the brain
b. Opening at the base of the skull
c. Opening between the ventricles of the heart
d. Opening between the third and fourth ventricle of the
brain
An action potential is an immediate result of which Depolarization
changes in the neuronal membrane?
a. Repolarization
b. Depolarization
c. Hyperpolarization
d. IPSP
The resting potential of a neuron is? 50-100mV with inside of the cell more negative than the outside
a. 50-100mV with the inside of the cell more negative than
the outside
b. 50-100mV with the inside of the cell more positive than
the outside
c. 50-100uV with the inside of the cell more positive than
the outside
d. 50-100uV with the inside of the cell more negative than
the outside
Which would not be considered a normal EEG pattern for a Persistent focal alpha frequency activity
full term infant?
a. Trace alternant
b. Isolated frontal sharp waves
c. Persistent focal alpha frequency activity
d. Beta-delta complexes in quiet sleep
A common seizure pattern in neonates is? Rhythmic focal activity
a. Generalized spike and wave
b. Rhythmic focal activity
c. Beta-delta complexes
d. Burst suppression
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Cranial nerve V's function is? Mastication
a. Movement of head/shoulder
b. Mastication
c. Facial expression
d. Auditory/balance
What is cranial nerve V? Mixed
a. Sensory
b. Mixed
c. Motor
d. All the above
Two main pathogens involved in the cause of Meningitis Viruses and bacteria
are?
a. Viruses and prions
b. Viruses and bacteria
c. Bacteria and fungi
d. Fungi and prions
When recording over a burr hole, the EEG may show? Higher amplitude activity over the affected area
a. No asymmetries
b. Lower amplitude activity over the affected area
c. Higher amplitude activity over the affected area d.
Slower frequencies over the affected area
Which EEG pattern carries a poor prognosis and is often Nonreactive continuous spindles
the result of respiratory or cardiac arrest?
a. Nonreactive continuous alpha
b. Hypsarrhythmia
c. Frontal Intermittent rhythmic delta
d. Continuous spindles
A little delta brain activity in an awake tracing of an adult is False
normal?
a. True
b. False
The bulk of the cerebrum is composed of? White matter
a. Fluid
b. White matter
c. Grey matter
d. Neuromodulators
Acetylcholine is responsible for? Voluntary movement of the muscles
a. Motor behavior
b. Voluntary movement of the muscles
c. Involuntary movement of the muscles
d. Movement and emotional arousal
Gamma Aminobutyric Acid is responsible for? Sensory transmission
a. Motor behavior
b. Wakefulness or arousal
c. Spinal reflexes and motor behavior
d. Sensory transmission
The largest part of the brain, divided into right and left Corpus Callosum
hemispheres, joined together by bands of white matter that
form a large fiber tract is called?
a. Diencephalon
b. Corpus callosum
c. Forebrain
d. Cerebral aqueduct
, EEG Boards Mock Exam | Practice Questions & Answers | 2026-2027
Normal Alpha in an adult, should not be seen? In the frontal head regions
a. In the central and temporal lobes
b. With the eyes closed
c. In the frontal head regions
d. In stage N1 sleep
6-7Hz theta activity is typically seen in a normal adult in Onset of drowsiness
which of the following?
a. Occipital regions
b. Centrotemporal regions during photic stimulation c.
Onset of drowsiness
d. Low voltage, paroxysmal bursts over the frontal regions
When seen in the waking records of adolescents, posterior Attenuate when the patient opens their eyes
slow waves of youth?
a. Are a nonspecific abnormality
b. Are diagnostic of migraine headaches
c. Attenuate when the patient opens their eyes
d. Attenuate with fist clenching
A normal waking and sleeping adult EEG recording will not Delta range activity during alert stages
include this?
a. Rhythmic temporal theta
b. Diffuse low amplitude beta
c. Delta range activity during alert states
d. Vertex sharp waves
Symmetry of sleep spindles when present, is important in Physiological maturation of an infant
the evaluation of?
a. Physiological maturation of an infant
b. Seizures which occur during sleep
c. REM sleep
d. Spindle coma
Which is most attenuated by a low frequency filter of 1Hz? 0.1Hz
a. 0.5Hz
b. 5.0Hz
c. 10.0Hz
d. 0.1Hz
A record has 3/sec spike/wave discharges. Both spike and
wave have voltages of 100µV. If this discharge is recorded
with a low frequency filter of 5Hz and a sensitivity of
10µV/mm, what would the pen deflection of the spike and
the wave be?
a. Spike 10mm and wave 5mm
b. Spike 5 mm and wave 10mm
c. Spike 10mm and wave 10mm
d. Spike 5mm and wave 5mm
An EEG instrument records _____ from the patient? DC potentials
a. AC potentials
b. DC potentials
c. Difference of AC and DC potentials
d. None of the above
A ______ measures the difference in voltage between two Differential amplifier
points?
a. Differential amplifier
b. Input cable
c. Jack box
d. None of the above
