EEG 212- Practice Exam C/D UPDATED
QUESTIONS AND CORRECT ANSWERS
The suffix -"itis" means: - CORRECT ANSWER inflammation
The distance from Fz to Pz is: - CORRECT ANSWER 40% of the distance between the nasion
and the inion
Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The technologist should: -
CORRECT ANSWER relocate C3 4 mm anteriorly
How would a 15 Hz HFF affect 15 Hz sleep spindles? - CORRECT ANSWER decrease
amplitude by 30%
Which of the following discharges are most commonly associated with abnormalities on neurological
exam? - CORRECT ANSWER 2/second spike-wave
3 Hz generalized spike and wave has the highest correlation with: - CORRECT ANSWER
absence seizure
When 60 Hz interference is seen on an EEG recording, what should be checked first? - CORRECT
ANSWER the electrode impedance
Which of the following is not a source of 60 Hz interference? - CORRECT ANSWER
intravenous drip
A fourth degree burn involves: - CORRECT ANSWER Bone and other tissue
When a circuit exists for current to flow from one instrument through the patient, to another
instrument and then to ground, then back to the first instrument and then cycle through the patient
again, though not likely to happen with modern medical instruments, this is called: - CORRECT
ANSWER A ground loop
, A resistor: - CORRECT ANSWER limits current
A seizure characterized by a stare with no post-ictal confusion is a/an: - CORRECT ANSWER
typical absence seizure
If a child has an episode of staring accompanied by 3 hertz generalized spike and wave activity, the
technologist should: - CORRECT ANSWER test the child's responsiveness
Activation of an absence seizure is most consistently obtained during: - CORRECT ANSWER
hyperventilation
Guidelines for recording digital EEG are written by: - CORRECT ANSWER The American
Clinical Neurophysiology Society (ACNS)
According to ACNS Guidelines, Recording Clinical EEG on Digital Media requires monitors to have:
- CORRECT ANSWER horizontal scaling and a minimum of 128 data points /second to
accurately display EEG on the monitor screen.
ACNS has recommended nomenclature for the mid temporal and posterior temporal placements
________and ________, which on most instruments is still labeled _______ and _______. -
CORRECT ANSWER (T7, T8 and P7, P8) (T3, T4 and T5, T6)
Which of the following describes the action of a capacitor? - CORRECT ANSWER stores
energy
An action potential is an immediate result of which of the following changes in the neural membrane?
- CORRECT ANSWER depolarization
Information carried toward the brain is relayed in _____ pathways. - CORRECT ANSWER
afferent
The importance of knowing the gestational age and the chronological age in any particular neonate: -
CORRECT ANSWER helps to determine what EEG rhythms are normal for a particular age
group
QUESTIONS AND CORRECT ANSWERS
The suffix -"itis" means: - CORRECT ANSWER inflammation
The distance from Fz to Pz is: - CORRECT ANSWER 40% of the distance between the nasion
and the inion
Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The technologist should: -
CORRECT ANSWER relocate C3 4 mm anteriorly
How would a 15 Hz HFF affect 15 Hz sleep spindles? - CORRECT ANSWER decrease
amplitude by 30%
Which of the following discharges are most commonly associated with abnormalities on neurological
exam? - CORRECT ANSWER 2/second spike-wave
3 Hz generalized spike and wave has the highest correlation with: - CORRECT ANSWER
absence seizure
When 60 Hz interference is seen on an EEG recording, what should be checked first? - CORRECT
ANSWER the electrode impedance
Which of the following is not a source of 60 Hz interference? - CORRECT ANSWER
intravenous drip
A fourth degree burn involves: - CORRECT ANSWER Bone and other tissue
When a circuit exists for current to flow from one instrument through the patient, to another
instrument and then to ground, then back to the first instrument and then cycle through the patient
again, though not likely to happen with modern medical instruments, this is called: - CORRECT
ANSWER A ground loop
, A resistor: - CORRECT ANSWER limits current
A seizure characterized by a stare with no post-ictal confusion is a/an: - CORRECT ANSWER
typical absence seizure
If a child has an episode of staring accompanied by 3 hertz generalized spike and wave activity, the
technologist should: - CORRECT ANSWER test the child's responsiveness
Activation of an absence seizure is most consistently obtained during: - CORRECT ANSWER
hyperventilation
Guidelines for recording digital EEG are written by: - CORRECT ANSWER The American
Clinical Neurophysiology Society (ACNS)
According to ACNS Guidelines, Recording Clinical EEG on Digital Media requires monitors to have:
- CORRECT ANSWER horizontal scaling and a minimum of 128 data points /second to
accurately display EEG on the monitor screen.
ACNS has recommended nomenclature for the mid temporal and posterior temporal placements
________and ________, which on most instruments is still labeled _______ and _______. -
CORRECT ANSWER (T7, T8 and P7, P8) (T3, T4 and T5, T6)
Which of the following describes the action of a capacitor? - CORRECT ANSWER stores
energy
An action potential is an immediate result of which of the following changes in the neural membrane?
- CORRECT ANSWER depolarization
Information carried toward the brain is relayed in _____ pathways. - CORRECT ANSWER
afferent
The importance of knowing the gestational age and the chronological age in any particular neonate: -
CORRECT ANSWER helps to determine what EEG rhythms are normal for a particular age
group
