EEG 212 Final Review and Practice Exam
A UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
The suffix -"itis" means _______.
Select one:
a. incision
b. tumor
c. inflammation
d. excision - CORRECT ANSWER c. inflammation
The distance from Fz to Pz is ______ .
Select one:
a. 40% of the distance between the nasion and the inion
b. identical to the distance from C3 to P3
c. identical to the distance from the nasion to Fz
d. 20% of the distance between the nasion and the inion - CORRECT ANSWER a. 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 ____.
Select one:
a. relocate P3 4 mm anteriorly
b. relocate all electrodes in the right parasagittal plane 4 mm anteriorly.
c. make no other placement changes
d. relocate C3 4 mm anteriorly - CORRECT ANSWER d. relocate C3 4 mm anteriorly
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 _________.
Select one:
a. A ground loop
, b. A resistor in series
c. A short circuit
d. A resistor in parallel - CORRECT ANSWER a. A ground loop
A resistor:
Select one:
a. limits current
b. is a synonym for capacitor
c. holds charge - CORRECT ANSWER a. limits current
Aliasing is caused by:
Select one:
a. insufficient sampling rate
b. 60 Hz interference
c. insufficient amplifier gain
d. improper electrode placement - CORRECT ANSWER a. insufficient sampling rate
All electrodes used in END testing should have _____.
Select one:
a. Exposed metal pin connectors
b. 2 mm pin connectors
c. DIN 42-802 standard connectors
d. 5 mm pin connectors - CORRECT ANSWER c. DIN 42-802 standard connectors
A combination of electronic components designed to increase the power, voltage or current of a
signal:
Select one:
a. master gain control
b. line filter
c. sensitivity
d. amplifier - CORRECT ANSWER d. amplifier
A UPDATED ACTUAL QUESTIONS AND
CORRECT ANSWERS
The suffix -"itis" means _______.
Select one:
a. incision
b. tumor
c. inflammation
d. excision - CORRECT ANSWER c. inflammation
The distance from Fz to Pz is ______ .
Select one:
a. 40% of the distance between the nasion and the inion
b. identical to the distance from C3 to P3
c. identical to the distance from the nasion to Fz
d. 20% of the distance between the nasion and the inion - CORRECT ANSWER a. 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 ____.
Select one:
a. relocate P3 4 mm anteriorly
b. relocate all electrodes in the right parasagittal plane 4 mm anteriorly.
c. make no other placement changes
d. relocate C3 4 mm anteriorly - CORRECT ANSWER d. relocate C3 4 mm anteriorly
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 _________.
Select one:
a. A ground loop
, b. A resistor in series
c. A short circuit
d. A resistor in parallel - CORRECT ANSWER a. A ground loop
A resistor:
Select one:
a. limits current
b. is a synonym for capacitor
c. holds charge - CORRECT ANSWER a. limits current
Aliasing is caused by:
Select one:
a. insufficient sampling rate
b. 60 Hz interference
c. insufficient amplifier gain
d. improper electrode placement - CORRECT ANSWER a. insufficient sampling rate
All electrodes used in END testing should have _____.
Select one:
a. Exposed metal pin connectors
b. 2 mm pin connectors
c. DIN 42-802 standard connectors
d. 5 mm pin connectors - CORRECT ANSWER c. DIN 42-802 standard connectors
A combination of electronic components designed to increase the power, voltage or current of a
signal:
Select one:
a. master gain control
b. line filter
c. sensitivity
d. amplifier - CORRECT ANSWER d. amplifier
