EEG BOARD PREP MOCK EXAM #2
UPDATED ACTUAL Questions and
CORRECT Answers
THE FILTERS CREATING A VERY NARROW BAND PASS THAT SHOULD RARELY BE
USED CLINICALLY ARE___? - CORRECT ANSWER - LF 5.0 HZ AND HF 15 HZ
DURING THE RECORDING OF CEREBRAL ACTIVITY, THE CALIBRATION INPUT
VOLTAGE IS CHANGED FROM 50 ocV to 100 ocV. WHAT WILL THE RESULT BE? -
CORRECT ANSWER - NO EFFECT ON THE ACTIVITY BEING RECORDED
A spike is printed out on paper and measures 16mm peak to peak, the sensitivity of the
instrument is 7uV/mm and a calibration signal of 50uV causes a deflection of 7.1mm...what is
the voltage of the spike?
a. 1.2uV
b. 112uV
c. 12uV
d. 24uV - CORRECT ANSWER - 112 ocV
What input voltage is necessary to give a calibration deflection between 5 and 10mm if the
sensitivity is 30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV - CORRECT ANSWER - 200 ocV
ACCORDING TO ACNS GUIDELINES, THE MINIMUM SAMPLING RATE FOR EEG
DATA SHOULD BE AT LEAST ____ TIMES THE HIGHEST FREQUENCY FILTER
SETTING - CORRECT ANSWER - THREE
,THE BEST METALS FOR CLINICAL RECORDING ARE WHAT? - CORRECT
ANSWER - SILVER SILVER CHLORIDE, PLATINUM, OR GOLD
WHICH ELECTRODES DO NOT RECORD DIRECTLY FROM THE BRAIN? - CORRECT
ANSWER - SUBDERMAL
WHICH OF THE FOLLOWING IS NOT RELATED TO MEASURING ELECTRODE
RESISTANCE?
A. OPPOSION TO DIRECT CURRENT FLOW
B. MEASUREMENT WHILE THE ELECTRODE IS UNATTACHED TO SCALP
C. MEASUREMENT WITH AN OHMMETER
D. OPPOSITION TO ALTERNATING CURRENT FLOW - CORRECT ANSWER -
OPPOSITON TO ALTERNATING CURRENT FLOW
THE DISTANCE FROM CZ TO PZ IS 6.8CM. WHAT IS THE DISTANCE FROM NASION
TO INION? - CORRECT ANSWER - 34 CM
A PATIENT CAN BECOME THE PATHWAY FOR LEAST RESISTANCE AND THEREFORE
ELECTRICALLY SUSCEPTIBLE TO SHOCK WHEN_____? - CORRECT ANSWER -
THE PATIENT HAS AN INDWELLING HEART CATHETER
Eye leads placed at the outer canthus of each eye will record:
a. all eye movements
b. horizontal & vertical eye movements
c. only vertical eye movements
d. mainly horizontal eye movements - CORRECT ANSWER - MAINLY HORIZONTAL
EYE MOVEMENTS
WHICH IS NOT A PHYSIOLOGICAL ARTIFACT?
A. PERSPIRATION
, B. GLOSSOKINETIC RESPONSE
C. 60 HZ INTERFERENCE
D. EYE MOVEMENT - CORRECT ANSWER - 60 HZ INTERFERENCE
THREE BASIC COMPUTER PORTS ARE: - CORRECT ANSWER - SERIAL,
PARALLEL, AND USB
WHICH IS NOT A SOURCE OF 60 HZ INTERFERENCE?
A. OTHER EQUIPMENT IN THE ROOM
B. FAULTY GROUND CONNECTION
C. INTRAVENOUS DRIP
D. DEFEFTS IN THE POWER SUPPLY - CORRECT ANSWER - INTRAVENOUS
DRIP
WHEN RECORDING FOR ELECTROCEREBRAL INACTIVITY (ECI) THE
INTERELECTRODE DISTANCE SHOULD BE AT LEAST _____? - CORRECT
ANSWER - 10 CM
THE HOMUNCULOUS IS A _____? - CORRECT ANSWER - REPRESENTATION OF
THE MOTOR AND SENSORY CORTEX OF THE BRAIN
THE DIENCEPHALON IS COMPOSED OF ____? - CORRECT ANSWER -
HYPOTHALMUS AND THALMUS
THE MIDBRAIN, PONS, AND MEDULLA COMPRISE THE___? - CORRECT
ANSWER - BRAINSTEM
ONE BENEFIT TO NETWORKING EEG INSTRUMENTS IS THE ABILITY TO? -
CORRECT ANSWER - STORE MULTIPLE FILES ON A CENTRAL SERVER
UPDATED ACTUAL Questions and
CORRECT Answers
THE FILTERS CREATING A VERY NARROW BAND PASS THAT SHOULD RARELY BE
USED CLINICALLY ARE___? - CORRECT ANSWER - LF 5.0 HZ AND HF 15 HZ
DURING THE RECORDING OF CEREBRAL ACTIVITY, THE CALIBRATION INPUT
VOLTAGE IS CHANGED FROM 50 ocV to 100 ocV. WHAT WILL THE RESULT BE? -
CORRECT ANSWER - NO EFFECT ON THE ACTIVITY BEING RECORDED
A spike is printed out on paper and measures 16mm peak to peak, the sensitivity of the
instrument is 7uV/mm and a calibration signal of 50uV causes a deflection of 7.1mm...what is
the voltage of the spike?
a. 1.2uV
b. 112uV
c. 12uV
d. 24uV - CORRECT ANSWER - 112 ocV
What input voltage is necessary to give a calibration deflection between 5 and 10mm if the
sensitivity is 30uV/mm?
a. 10uV
b. 50uV
c. 100uV
d. 200uV - CORRECT ANSWER - 200 ocV
ACCORDING TO ACNS GUIDELINES, THE MINIMUM SAMPLING RATE FOR EEG
DATA SHOULD BE AT LEAST ____ TIMES THE HIGHEST FREQUENCY FILTER
SETTING - CORRECT ANSWER - THREE
,THE BEST METALS FOR CLINICAL RECORDING ARE WHAT? - CORRECT
ANSWER - SILVER SILVER CHLORIDE, PLATINUM, OR GOLD
WHICH ELECTRODES DO NOT RECORD DIRECTLY FROM THE BRAIN? - CORRECT
ANSWER - SUBDERMAL
WHICH OF THE FOLLOWING IS NOT RELATED TO MEASURING ELECTRODE
RESISTANCE?
A. OPPOSION TO DIRECT CURRENT FLOW
B. MEASUREMENT WHILE THE ELECTRODE IS UNATTACHED TO SCALP
C. MEASUREMENT WITH AN OHMMETER
D. OPPOSITION TO ALTERNATING CURRENT FLOW - CORRECT ANSWER -
OPPOSITON TO ALTERNATING CURRENT FLOW
THE DISTANCE FROM CZ TO PZ IS 6.8CM. WHAT IS THE DISTANCE FROM NASION
TO INION? - CORRECT ANSWER - 34 CM
A PATIENT CAN BECOME THE PATHWAY FOR LEAST RESISTANCE AND THEREFORE
ELECTRICALLY SUSCEPTIBLE TO SHOCK WHEN_____? - CORRECT ANSWER -
THE PATIENT HAS AN INDWELLING HEART CATHETER
Eye leads placed at the outer canthus of each eye will record:
a. all eye movements
b. horizontal & vertical eye movements
c. only vertical eye movements
d. mainly horizontal eye movements - CORRECT ANSWER - MAINLY HORIZONTAL
EYE MOVEMENTS
WHICH IS NOT A PHYSIOLOGICAL ARTIFACT?
A. PERSPIRATION
, B. GLOSSOKINETIC RESPONSE
C. 60 HZ INTERFERENCE
D. EYE MOVEMENT - CORRECT ANSWER - 60 HZ INTERFERENCE
THREE BASIC COMPUTER PORTS ARE: - CORRECT ANSWER - SERIAL,
PARALLEL, AND USB
WHICH IS NOT A SOURCE OF 60 HZ INTERFERENCE?
A. OTHER EQUIPMENT IN THE ROOM
B. FAULTY GROUND CONNECTION
C. INTRAVENOUS DRIP
D. DEFEFTS IN THE POWER SUPPLY - CORRECT ANSWER - INTRAVENOUS
DRIP
WHEN RECORDING FOR ELECTROCEREBRAL INACTIVITY (ECI) THE
INTERELECTRODE DISTANCE SHOULD BE AT LEAST _____? - CORRECT
ANSWER - 10 CM
THE HOMUNCULOUS IS A _____? - CORRECT ANSWER - REPRESENTATION OF
THE MOTOR AND SENSORY CORTEX OF THE BRAIN
THE DIENCEPHALON IS COMPOSED OF ____? - CORRECT ANSWER -
HYPOTHALMUS AND THALMUS
THE MIDBRAIN, PONS, AND MEDULLA COMPRISE THE___? - CORRECT
ANSWER - BRAINSTEM
ONE BENEFIT TO NETWORKING EEG INSTRUMENTS IS THE ABILITY TO? -
CORRECT ANSWER - STORE MULTIPLE FILES ON A CENTRAL SERVER
