EEG 212- Practice Exam A Questions
and Answers
The suffix -"itis" means: - Answer-inflammation
The distance from Fz to Pz is: - 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: - Answer-
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: - Answer-A ground
loop
A resistor: - Answer-limits current
Aliasing is caused by: - Answer-insufficient sampling rate
All electrodes used in END testing should have: - Answer-DIN 42-802 standard connectors
, A combination of electronic components designed to increase the power, voltage or current of a signal: -
Answer-amplifier
What is the primary localization technique utilized for identification of a focus in a referential montage?
- Answer-Amplitude
A bird can land on a power line and not be shocked because: - Answer-He is not grounded
If a seizure discharge causes the waveforms in the channels to square off and run into each other, what
should be done? - Answer-The sensitivity should be decreased (from 7 uV/mm to 10, 15 uV/mm)
What is 20% of 58 cm? - Answer-11.6 cm
During the recording of cerebral activity, the calibration input voltage is changed from 50 µV to 100 µV.
What will be the result? - Answer-no effect on the activity being recorded
When Input I = -60 µV and Input II = -60 µV, then: - Answer-cancellation occurs
The term used to describe the result of differential amplification when both inputs are of equal voltage
values is: - Answer-Cancellation
Define the term CD-ROM: - Answer-Compact Disk - Read only memory
Define the term CD-RW: - Answer-Compact Disk - ReWritable
and Answers
The suffix -"itis" means: - Answer-inflammation
The distance from Fz to Pz is: - 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: - Answer-
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: - Answer-A ground
loop
A resistor: - Answer-limits current
Aliasing is caused by: - Answer-insufficient sampling rate
All electrodes used in END testing should have: - Answer-DIN 42-802 standard connectors
, A combination of electronic components designed to increase the power, voltage or current of a signal: -
Answer-amplifier
What is the primary localization technique utilized for identification of a focus in a referential montage?
- Answer-Amplitude
A bird can land on a power line and not be shocked because: - Answer-He is not grounded
If a seizure discharge causes the waveforms in the channels to square off and run into each other, what
should be done? - Answer-The sensitivity should be decreased (from 7 uV/mm to 10, 15 uV/mm)
What is 20% of 58 cm? - Answer-11.6 cm
During the recording of cerebral activity, the calibration input voltage is changed from 50 µV to 100 µV.
What will be the result? - Answer-no effect on the activity being recorded
When Input I = -60 µV and Input II = -60 µV, then: - Answer-cancellation occurs
The term used to describe the result of differential amplification when both inputs are of equal voltage
values is: - Answer-Cancellation
Define the term CD-ROM: - Answer-Compact Disk - Read only memory
Define the term CD-RW: - Answer-Compact Disk - ReWritable
