EEG 212- Practice Exam A Questions With Complete
Solutions
A _______ electrical field is created when the human eye is
looking in the direction of one of the anterior temporal
electrodes. Correct Answers positive
A bird can land on a power line and not be shocked because:
Correct Answers He is not grounded
A circuit that allows some frequencies to pass through it, while
others are blocked is a: Correct Answers filter
A combination of electronic components designed to increase
the power, voltage or current of a signal: Correct Answers
amplifier
A high frequency setting of 35 Hz would attenuate 60 Hz
muscle activity by approximately what percentage? Correct
Answers 50%
A Megabyte of memory is approximately equal to: Correct
Answers one million bytes
A resistor: Correct Answers limits current
Aliasing is caused by: Correct Answers insufficient sampling
rate
All electrodes used in END testing should have: Correct
Answers DIN 42-802 standard connectors
, An EEG instrument's common mode rejection ratio should be:
Correct Answers very high
At a sensitivity of 3 µV/mm, how much voltage is represented
by a 7 mm deflection? Correct Answers 21 µV
At an equivalent paper speed (aka: time base, epoch, analysis
time, etc) of 30 mm/sec, one page of printed EEG represents 10
seconds. At an equivalent paper speed of 15 mm/sec, one page
of printed EEG represents: Correct Answers 20 seconds
Define the term CD-ROM: Correct Answers Compact Disk -
Read only memory
Define the term CD-RW: Correct Answers Compact Disk -
ReWritable
Due to a central scalp lesion, C4 has to be relocated 4 mm
anteriorly. The technologist should: Correct Answers relocate
C3 4 mm anteriorly
During the recording of cerebral activity, the calibration input
voltage is changed from 50 µV to 100 µV. What will be the
result? Correct Answers no effect on the activity being recorded
Horizontal resolution refers to the: Correct Answers number of
data points that are stored to record a signal in each second
across time.
Solutions
A _______ electrical field is created when the human eye is
looking in the direction of one of the anterior temporal
electrodes. Correct Answers positive
A bird can land on a power line and not be shocked because:
Correct Answers He is not grounded
A circuit that allows some frequencies to pass through it, while
others are blocked is a: Correct Answers filter
A combination of electronic components designed to increase
the power, voltage or current of a signal: Correct Answers
amplifier
A high frequency setting of 35 Hz would attenuate 60 Hz
muscle activity by approximately what percentage? Correct
Answers 50%
A Megabyte of memory is approximately equal to: Correct
Answers one million bytes
A resistor: Correct Answers limits current
Aliasing is caused by: Correct Answers insufficient sampling
rate
All electrodes used in END testing should have: Correct
Answers DIN 42-802 standard connectors
, An EEG instrument's common mode rejection ratio should be:
Correct Answers very high
At a sensitivity of 3 µV/mm, how much voltage is represented
by a 7 mm deflection? Correct Answers 21 µV
At an equivalent paper speed (aka: time base, epoch, analysis
time, etc) of 30 mm/sec, one page of printed EEG represents 10
seconds. At an equivalent paper speed of 15 mm/sec, one page
of printed EEG represents: Correct Answers 20 seconds
Define the term CD-ROM: Correct Answers Compact Disk -
Read only memory
Define the term CD-RW: Correct Answers Compact Disk -
ReWritable
Due to a central scalp lesion, C4 has to be relocated 4 mm
anteriorly. The technologist should: Correct Answers relocate
C3 4 mm anteriorly
During the recording of cerebral activity, the calibration input
voltage is changed from 50 µV to 100 µV. What will be the
result? Correct Answers no effect on the activity being recorded
Horizontal resolution refers to the: Correct Answers number of
data points that are stored to record a signal in each second
across time.
