ASET EEG 212 REVIEW AND PRACTICE EXAM | 195
QUESTIONS AND ANSWERS | 2025/2026 UPDATE |
RATED 100% CORRECT
The basic unit for measuring current flow is____.
a.atomic weight
b.Coulomb
c.Volt
d.Ampere Answer - Ampere
Common Mode Rejection is ____.
a. the ability of an amplifier to cancel out ECG artifact
b. the characteristic of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlled by the 60-cycle notch filter Answer - the characteristic of an
amplifier that rejects external interference
An EEG record has three per second spike/wave discharges. Both the spike and
the slow wave have voltages of 100 µV. If this discharge is recorded with a low
frequency filter of 5 Hz and a sensitivity of 10 µV/mm, what would be the
deflection of the spike and the
wave?
a. spike 10 mm, wave 6 mm
,b. spike 6 mm, wave 10 mm
c. spike 10mm, wave 10 mm
d. spike 6 mm, wave 6 mm Answer - spike 10 mm, wave 6 mm
According to ACNS Guidelines, Recording Clinical EEG on Digital Media requires
monitors to have _____.
a. Between 25 and 35 mm horizontal scaling and a maximum of 1000 data
points/second to accurately display EEG on the monitor screen.
b. Between 25 and 35 mm horizontal scaling and a minimum of 128 data points
/second to accurately display EEG on the monitor screen (10-sec page).
c. Between 25 and 35 mm horizontal scaling and a maximum of 128 data
points/second to accurately display EEG on the monitor screen.
d. Between 25 and 35 mm horizontal scaling and a minimum of 1000 data
points/second to accurately display EEG on the monitor screen. Answer -
Between 25 and 35 mm horizontal scaling and a minimum of 128 data points
/second to accurately display EEG on the monitor screen (10-sec page).
Channel A in the figure above has been recorded utilizing standard
instrumentation settings. What instrument change has been made to channel
B?
a. Display epoch length
b. Decrease low frequency filter
c. Increase high frequency filter
d. Sensitivity Answer - Decrease low frequency filter
Three basic computer ports are:
a. Intranet, Internet and Extranet
b. Internal, External, and Bifid
c. Serial, paradoxical, and US
,d. Serial, parallel and USB Answer - Serial, parallel and USB
Which of the following is not related to measuring electrode resistance?
a. opposition to direct current flow
b. measurement while the electrode is unattached to the scalp
c. measurement with an ohmmeter
d. opposition to alternating current flow Answer - opposition to alternating
current flow
The electrode site that is located 1 cm above, one third the distance out from
the left external auditory meatus toward the left outer canthus is called ____.
a. T1 or F9
b. F7 or F8
c. F5
d. LOC Answer - T1 or F9
When recording for ECI, interelectrode impedances should be at least ____
ohms, but less than ____ ohms.
a. 10, 1000
b. 100, 10,000
c. 500, 5000
d. 1,000, 10,000 Answer - 100, 10,000
The central sulcus (fissure of Rolando) demarcates the ____.
a. left and right hemispheres.
b. frontal and parietal lobes
c. frontal and temporal lobes
, d. parietal and occipital lobes Answer - frontal and parietal lobes
The trigeminal nerve ____.
a. permits eye movement
b. aids in swallowing
c. is the major sensory nerve of the face
d. permits tongue movement Answer - is the major sensory nerve of the face
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 Answer - contralateral lower extremity weakness
Thrombosis of the right middle cerebral artery would most likely cause ____.
a. left sided paralysis, primarily of the face and arm
b. left sided paralysis, primarily of the leg
c. aphasia
d. right homonymous hemianopsia Answer - left sided paralysis, primarily of
the face and arm
The foramen of Munro is the ____.
a. opening between lateral ventricles and third ventricle of the brain
b. opening at the base of he skull
c. opening between the ventricles of the heart
d. opening between the third ventricle and the fourth ventricle of the brain
Answer - opening between lateral ventricles and third ventricle of the brain
QUESTIONS AND ANSWERS | 2025/2026 UPDATE |
RATED 100% CORRECT
The basic unit for measuring current flow is____.
a.atomic weight
b.Coulomb
c.Volt
d.Ampere Answer - Ampere
Common Mode Rejection is ____.
a. the ability of an amplifier to cancel out ECG artifact
b. the characteristic of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlled by the 60-cycle notch filter Answer - the characteristic of an
amplifier that rejects external interference
An EEG record has three per second spike/wave discharges. Both the spike and
the slow wave have voltages of 100 µV. If this discharge is recorded with a low
frequency filter of 5 Hz and a sensitivity of 10 µV/mm, what would be the
deflection of the spike and the
wave?
a. spike 10 mm, wave 6 mm
,b. spike 6 mm, wave 10 mm
c. spike 10mm, wave 10 mm
d. spike 6 mm, wave 6 mm Answer - spike 10 mm, wave 6 mm
According to ACNS Guidelines, Recording Clinical EEG on Digital Media requires
monitors to have _____.
a. Between 25 and 35 mm horizontal scaling and a maximum of 1000 data
points/second to accurately display EEG on the monitor screen.
b. Between 25 and 35 mm horizontal scaling and a minimum of 128 data points
/second to accurately display EEG on the monitor screen (10-sec page).
c. Between 25 and 35 mm horizontal scaling and a maximum of 128 data
points/second to accurately display EEG on the monitor screen.
d. Between 25 and 35 mm horizontal scaling and a minimum of 1000 data
points/second to accurately display EEG on the monitor screen. Answer -
Between 25 and 35 mm horizontal scaling and a minimum of 128 data points
/second to accurately display EEG on the monitor screen (10-sec page).
Channel A in the figure above has been recorded utilizing standard
instrumentation settings. What instrument change has been made to channel
B?
a. Display epoch length
b. Decrease low frequency filter
c. Increase high frequency filter
d. Sensitivity Answer - Decrease low frequency filter
Three basic computer ports are:
a. Intranet, Internet and Extranet
b. Internal, External, and Bifid
c. Serial, paradoxical, and US
,d. Serial, parallel and USB Answer - Serial, parallel and USB
Which of the following is not related to measuring electrode resistance?
a. opposition to direct current flow
b. measurement while the electrode is unattached to the scalp
c. measurement with an ohmmeter
d. opposition to alternating current flow Answer - opposition to alternating
current flow
The electrode site that is located 1 cm above, one third the distance out from
the left external auditory meatus toward the left outer canthus is called ____.
a. T1 or F9
b. F7 or F8
c. F5
d. LOC Answer - T1 or F9
When recording for ECI, interelectrode impedances should be at least ____
ohms, but less than ____ ohms.
a. 10, 1000
b. 100, 10,000
c. 500, 5000
d. 1,000, 10,000 Answer - 100, 10,000
The central sulcus (fissure of Rolando) demarcates the ____.
a. left and right hemispheres.
b. frontal and parietal lobes
c. frontal and temporal lobes
, d. parietal and occipital lobes Answer - frontal and parietal lobes
The trigeminal nerve ____.
a. permits eye movement
b. aids in swallowing
c. is the major sensory nerve of the face
d. permits tongue movement Answer - is the major sensory nerve of the face
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 Answer - contralateral lower extremity weakness
Thrombosis of the right middle cerebral artery would most likely cause ____.
a. left sided paralysis, primarily of the face and arm
b. left sided paralysis, primarily of the leg
c. aphasia
d. right homonymous hemianopsia Answer - left sided paralysis, primarily of
the face and arm
The foramen of Munro is the ____.
a. opening between lateral ventricles and third ventricle of the brain
b. opening at the base of he skull
c. opening between the ventricles of the heart
d. opening between the third ventricle and the fourth ventricle of the brain
Answer - opening between lateral ventricles and third ventricle of the brain
