ACNS GUIDELINES – EEG
EXAM WITH CORRECT
ANSWERS 2025 GRADED A+
What is the minimal amount of channels needed to record an
EEG? correct answers >> Sixteen channels
What type of current is required for equipment? correct
answers >> Alternating Current (AC)
Filters should be within correct answers >> Within
recommendations of guideline 4
Evidence suggest material made of these two types of electrodes
are best correct answers >> Silver-silver chloride or gold disk
electrodes are best
Impedances must be below correct answers >> 10kOhms
and must be balanced
Appropriate calibration at the beginning of each EEG should be at
least correct answers >> At least 10 seconds or until it
reaches a stable recording
, The sensitivity of the EEG should be between correct answers
>> 5 to 10 uV/mm (7uV/mm)
The time constant should be at least correct answers >>
0.16 second
The baseline EEG recording should be a minimum of correct
answers >> 20 minutes
The EEG recordings should include periods of when the eyes are
correct answers >> open and closed
Photic stimulation should be performed in a room with correct
answers >> Dimmed lighting
Photic stimulation should be placed at least ____ from the patients
face correct answers >> 30 cm
Photic stimulation should be performed HV or at least ___ after HV
correct answers >> 3 minutes
Hyperventilation contraindications correct answers >>
Recent intracranial hemorrhage, significant cardiopulmonary
disease, sickle cell disease or trait, or unwillingness to cooperate
HV should be performed for a minimum of ___ and recorded for at
least ____ after correct answers >> 3 minutes and at least 1
minute after
EXAM WITH CORRECT
ANSWERS 2025 GRADED A+
What is the minimal amount of channels needed to record an
EEG? correct answers >> Sixteen channels
What type of current is required for equipment? correct
answers >> Alternating Current (AC)
Filters should be within correct answers >> Within
recommendations of guideline 4
Evidence suggest material made of these two types of electrodes
are best correct answers >> Silver-silver chloride or gold disk
electrodes are best
Impedances must be below correct answers >> 10kOhms
and must be balanced
Appropriate calibration at the beginning of each EEG should be at
least correct answers >> At least 10 seconds or until it
reaches a stable recording
, The sensitivity of the EEG should be between correct answers
>> 5 to 10 uV/mm (7uV/mm)
The time constant should be at least correct answers >>
0.16 second
The baseline EEG recording should be a minimum of correct
answers >> 20 minutes
The EEG recordings should include periods of when the eyes are
correct answers >> open and closed
Photic stimulation should be performed in a room with correct
answers >> Dimmed lighting
Photic stimulation should be placed at least ____ from the patients
face correct answers >> 30 cm
Photic stimulation should be performed HV or at least ___ after HV
correct answers >> 3 minutes
Hyperventilation contraindications correct answers >>
Recent intracranial hemorrhage, significant cardiopulmonary
disease, sickle cell disease or trait, or unwillingness to cooperate
HV should be performed for a minimum of ___ and recorded for at
least ____ after correct answers >> 3 minutes and at least 1
minute after
