EEG MOCK EXAM QUESTIONS AND
ANSWERS
Which is necessary to calculate the voltage of an EEG wave:
a. Montage and deflection (mm)
b. Sensitivity (µV/mm) and deflection (mm)
c. Deflection (mm) and voltage (µV)
d. Sensitivity (µV/mm) and gain - Answer-B
A weakness or paralysis of the muscles on one side of the face, which may cause impaired taste, is a
characteristic of:
a. Complicated migraines
b. Bell's Palsy
c. Damage to cranial nerve III
d. Damage to cranial nerve XI - Answer-B
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-D
,Which of the following statements about current is false:
a. Current may be AC or DC
b. Current flows when there is a source of voltage and a conductive pathway
c. Current is movement of electrons in a conductor
d. Current is measured in coulombs - Answer-B
What input voltage is necessary to give a calibration deflection between 5 and 10mm if the sensitivity is
30µV/mm:
a. 10µV
b. 50µV
c. 100µV
d. 200µV - Answer-D
Rhomberg's sign is:
a. Inability to feel pain
b. Flexing of the feet
c. Inability to stand with eyes closed d. Complications from an epidural - Answer-C
An 8 year old child is referred for an EEG because of 2 nocturnal seizures. The EEG shows spikes during
drowsiness and sleep at T3, C3, T4, and C4. The child has:
a. Atonic seizures
b. Benign focal epilepsy
c. Complex partial seizures
d. JME - Answer-B
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-A
A highly malignant tumor primarily seen in children may be:
a. Pituitary adenoma
b. Medulla blastoma
c. Acoustic neuroma
d. Astrocytoma - Answer-B
Inflammation of the coverings of the brain or spinal cord is called:
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis - Answer-B
Which test may benefit a patient presenting with ataxia:
a. Counting backwards
b. Wada
c. PSG
d. Lumbar puncture - Answer-D
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-B
Anosmia can be caused from:
a. Inflammation of the nasal passages
b. Destruction of one temporal lobe c. Both A and B
d. None of the above - Answer-C
Which layer of skin must be prepared in order to allow the electrical signal to travel to the electrode:
a. Stratum corneum
b. Dermis
c. Stratum granulosum
d. Stratum germinativum - Answer-A
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-A
Which finding(s) correlate with Angelmann's disease:
a. Seizures, microcephaly, scoliosis b. Inter itctal EEG is dominated by high amplitude posterior slow
waves with or without spikes
c. Onset after infectious illness
d. All the above
ANSWERS
Which is necessary to calculate the voltage of an EEG wave:
a. Montage and deflection (mm)
b. Sensitivity (µV/mm) and deflection (mm)
c. Deflection (mm) and voltage (µV)
d. Sensitivity (µV/mm) and gain - Answer-B
A weakness or paralysis of the muscles on one side of the face, which may cause impaired taste, is a
characteristic of:
a. Complicated migraines
b. Bell's Palsy
c. Damage to cranial nerve III
d. Damage to cranial nerve XI - Answer-B
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-D
,Which of the following statements about current is false:
a. Current may be AC or DC
b. Current flows when there is a source of voltage and a conductive pathway
c. Current is movement of electrons in a conductor
d. Current is measured in coulombs - Answer-B
What input voltage is necessary to give a calibration deflection between 5 and 10mm if the sensitivity is
30µV/mm:
a. 10µV
b. 50µV
c. 100µV
d. 200µV - Answer-D
Rhomberg's sign is:
a. Inability to feel pain
b. Flexing of the feet
c. Inability to stand with eyes closed d. Complications from an epidural - Answer-C
An 8 year old child is referred for an EEG because of 2 nocturnal seizures. The EEG shows spikes during
drowsiness and sleep at T3, C3, T4, and C4. The child has:
a. Atonic seizures
b. Benign focal epilepsy
c. Complex partial seizures
d. JME - Answer-B
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-A
A highly malignant tumor primarily seen in children may be:
a. Pituitary adenoma
b. Medulla blastoma
c. Acoustic neuroma
d. Astrocytoma - Answer-B
Inflammation of the coverings of the brain or spinal cord is called:
a. Encephalitis
b. Meningitis
c. Cerebritis
d. Myelitis - Answer-B
Which test may benefit a patient presenting with ataxia:
a. Counting backwards
b. Wada
c. PSG
d. Lumbar puncture - Answer-D
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-B
Anosmia can be caused from:
a. Inflammation of the nasal passages
b. Destruction of one temporal lobe c. Both A and B
d. None of the above - Answer-C
Which layer of skin must be prepared in order to allow the electrical signal to travel to the electrode:
a. Stratum corneum
b. Dermis
c. Stratum granulosum
d. Stratum germinativum - Answer-A
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-A
Which finding(s) correlate with Angelmann's disease:
a. Seizures, microcephaly, scoliosis b. Inter itctal EEG is dominated by high amplitude posterior slow
waves with or without spikes
c. Onset after infectious illness
d. All the above
