EEG Boards Mock Exam Questions With Verified
Answers
The basic unit for measuring current flow is?
a. Atomic weight
b. Volt
c. Ampere
d. Coulomb - Answer: Ampere
Which is not a unit for measuring alternating frequencies?
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles - Answer: Volts
Which describes the action of a capacitor?
a. Opposes changes in current flow
b. Converts alternating current to direct current
c. Creates a direct current resistance
d. Stores electrical energy - Answer: Stores electrical energy
The basic unit of resistance is?
a. Ohm
b. Coulomb
c. Ampere
d. Volt - Answer: Ohm
,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 - Answer:
Which electrodes do not record directly from the brain?
a. Depth
b. Subdermal
c. Subdural
d. Epidural - Answer:
The distance from Cz to Pz is 6.8cm. What is the distance from nasion to inion?
a. 34mm
b. 68mm
c. 34cm
d. 68cm - Answer: 34cm
Due to a scalp lesion, C4 has been 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 - Answer: Relocate C3 4mm
anteriorly
A highly malignant tumor primarily seen in children may be?
a. Pituitary adenoma
b. Medulla blastoma
,c. Acoustic neuroma
d. Astrocytoma - Answer: Medulla Blastoma
Inflammation of the coverings of the brain or spinal cord is called?
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis - Answer: Meningitis
Scalp EEG is a result of summation of charges in which of the following cortical cells?
a. Pyramidal cells
b. Horizontal cells
c. Stellate cells
d. Betz cells - Answer: Pyramidal cells
Thrombosis of the anterior cerebral artery is most likely to cause?
a. Nystagmus
b. Contralateral lower extremity weakness
c. Contralateral facial weakness
d. Aphasia - Answer: Contralateral lower extremity weakness
Which infection is most likely to produce headache, fever, nuchal ridigity, coma, and death?
a. Meningitis
b. Herpes simplex encephalitis
c. Subacute sclerosing panencephalitis
d. Creutzfeldt-Jacob disease - Answer: Meningitis
Thrombosis of the right middle cerebral artery would most likely cause?
a. Left sided paralysis, primarily face and arm
, b. Left sided paralysis, primarily of the leg
c. Aphasia
d. Right homonymous hemianopsia - Answer: Left sided paralysis, primarily of the leg
The Foramen of Munro is the?
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 - Answer: Opening between lateral
ventricles and third ventricle of the brain
An action potential is an immediate result of which changes in the neuronal membrane?
a. Repolarization
b. Depolarization
c. Hyperpolarization
d. IPSP - Answer: Depolarization
The resting potential of a neuron is?
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 - Answer: 50-100mV with inside
of the cell more negative than the outside
Which would not be considered a normal EEG pattern for a full term infant?
a. Trace alternant
b. Isolated frontal sharp waves
c. Persistent focal alpha frequency activity
d. Beta-delta complexes in quiet sleep - Answer: Persistent focal alpha frequency activity
Answers
The basic unit for measuring current flow is?
a. Atomic weight
b. Volt
c. Ampere
d. Coulomb - Answer: Ampere
Which is not a unit for measuring alternating frequencies?
a. Cycles per second
b. Volts
c. Hertz
d. Kilocycles - Answer: Volts
Which describes the action of a capacitor?
a. Opposes changes in current flow
b. Converts alternating current to direct current
c. Creates a direct current resistance
d. Stores electrical energy - Answer: Stores electrical energy
The basic unit of resistance is?
a. Ohm
b. Coulomb
c. Ampere
d. Volt - Answer: Ohm
,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 - Answer:
Which electrodes do not record directly from the brain?
a. Depth
b. Subdermal
c. Subdural
d. Epidural - Answer:
The distance from Cz to Pz is 6.8cm. What is the distance from nasion to inion?
a. 34mm
b. 68mm
c. 34cm
d. 68cm - Answer: 34cm
Due to a scalp lesion, C4 has been 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 - Answer: Relocate C3 4mm
anteriorly
A highly malignant tumor primarily seen in children may be?
a. Pituitary adenoma
b. Medulla blastoma
,c. Acoustic neuroma
d. Astrocytoma - Answer: Medulla Blastoma
Inflammation of the coverings of the brain or spinal cord is called?
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis - Answer: Meningitis
Scalp EEG is a result of summation of charges in which of the following cortical cells?
a. Pyramidal cells
b. Horizontal cells
c. Stellate cells
d. Betz cells - Answer: Pyramidal cells
Thrombosis of the anterior cerebral artery is most likely to cause?
a. Nystagmus
b. Contralateral lower extremity weakness
c. Contralateral facial weakness
d. Aphasia - Answer: Contralateral lower extremity weakness
Which infection is most likely to produce headache, fever, nuchal ridigity, coma, and death?
a. Meningitis
b. Herpes simplex encephalitis
c. Subacute sclerosing panencephalitis
d. Creutzfeldt-Jacob disease - Answer: Meningitis
Thrombosis of the right middle cerebral artery would most likely cause?
a. Left sided paralysis, primarily face and arm
, b. Left sided paralysis, primarily of the leg
c. Aphasia
d. Right homonymous hemianopsia - Answer: Left sided paralysis, primarily of the leg
The Foramen of Munro is the?
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 - Answer: Opening between lateral
ventricles and third ventricle of the brain
An action potential is an immediate result of which changes in the neuronal membrane?
a. Repolarization
b. Depolarization
c. Hyperpolarization
d. IPSP - Answer: Depolarization
The resting potential of a neuron is?
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 - Answer: 50-100mV with inside
of the cell more negative than the outside
Which would not be considered a normal EEG pattern for a full term infant?
a. Trace alternant
b. Isolated frontal sharp waves
c. Persistent focal alpha frequency activity
d. Beta-delta complexes in quiet sleep - Answer: Persistent focal alpha frequency activity
