A UPDATED QUESTIONS AND
CORRECT ANSWERS
Ampere - CORRECT ANSWER The basic unit for measuring current flow is____.
a.atomic weight
b.Coulomb
c.Volt
d.Ampere
the characteristic of an amplifier that rejects external interference - CORRECT ANSWER
Common Mode Rejection is ____.
a. the ability of an amplifier to cancel out ECG artifact
b. the characteristic of an amplifier that rejects external interference
c. is dependent on the sampling rate
d. controlled by the 60-cycle notch filter
spike 10 mm, wave 6 mm - CORRECT ANSWER An EEG record has three per second
spike/wave discharges. Both the spike and the slow wave have voltages of 100 µV. If this discharge is
recorded with a low frequency filter of 5 Hz and a sensitivity of 10 µV/mm, what would be the
deflection of the spike and the
wave?
a. spike 10 mm, wave 6 mm
b. spike 6 mm, wave 10 mm
c. spike 10mm, wave 10 mm
d. spike 6 mm, wave 6 mm
Between 25 and 35 mm horizontal scaling and a minimum of 128 data points /second to accurately
display EEG on the monitor screen (10-sec page). - CORRECT ANSWER According to ACNS
Guidelines, Recording Clinical EEG on Digital Media requires monitors to have _____.
a. Between 25 and 35 mm horizontal scaling and a maximum of 1000 data points/second to accurately
display EEG on the monitor screen.
,b. Between 25 and 35 mm horizontal scaling and a minimum of 128 data points /second to accurately
display EEG on the monitor screen (10-sec page).
c. Between 25 and 35 mm horizontal scaling and a maximum of 128 data points/second to accurately
display EEG on the monitor screen.
d. Between 25 and 35 mm horizontal scaling and a minimum of 1000 data points/second to accurately
display EEG on the monitor screen.
Decrease low frequency filter - CORRECT ANSWER Channel A in the figure above has been
recorded utilizing standard instrumentation settings. What instrument change has been made to
channel B?
a. Display epoch length
b. Decrease low frequency filter
c. Increase high frequency filter
d. Sensitivity
Serial, parallel and USB - CORRECT ANSWER Three basic computer ports are:
a. Intranet, Internet and Extranet
b. Internal, External, and Bifid
c. Serial, paradoxical, and US
d. Serial, parallel and USB
opposition to alternating current flow - CORRECT ANSWER Which of the following is not
related to measuring electrode resistance?
a. opposition to direct current flow
b. measurement while the electrode is unattached to the scalp
c. measurement with an ohmmeter
d. opposition to alternating current flow
T1 or F9 - CORRECT ANSWER The electrode site that is located 1 cm above, one third the
distance out from the left external auditory meatus toward the left outer canthus is called ____.
a. T1 or F9
b. F7 or F8
c. F5
,d. LOC
100, 10,000 - CORRECT ANSWER When recording for ECI, interelectrode impedances
should be at least ____ ohms, but less than ____ ohms.
a. 10, 1000
b. 100, 10,000
c. 500, 5000
d. 1,000, 10,000
frontal and parietal lobes - CORRECT ANSWER The central sulcus (fissure of Rolando)
demarcates the ____.
a. left and right hemispheres.
b. frontal and parietal lobes
c. frontal and temporal lobes
d. parietal and occipital lobes
is the major sensory nerve of the face - CORRECT ANSWER The trigeminal nerve ____.
a. permits eye movement
b. aids in swallowing
c. is the major sensory nerve of the face
d. permits tongue movement
contralateral lower extremity weakness - CORRECT ANSWER Thrombosis of the anterior
cerebral artery is most likely due to cause ____.
a. nystagmus
b. contralateral lower extremity weakness
c. contralateral facial weakness
d. aphasia
left sided paralysis, primarily of the face and arm - CORRECT ANSWER Thrombosis of the
right middle cerebral artery would most likely cause ____.
a. left sided paralysis, primarily of the face and arm
, b. left sided paralysis, primarily of the leg
c. aphasia
d. right homonymous hemianopsia
opening between lateral ventricles and third ventricle of the brain - CORRECT ANSWER The
foramen of Munro is the ____.
a. opening between lateral ventricles and third ventricle of the brain
b. opening at the base of he skull
c. opening between the ventricles of the heart
d. opening between the third ventricle and the fourth ventricle of the brain
50-100 mV with the inside of the cell more negative than the outside - CORRECT ANSWER
The resting potential of a neuron is ____.
a. 50-100 mV with the inside of the cell more negative than the outside
b. 50-100 mV with the inside of the cell more positive than the outside.
c. 50-100 µV with the inside of the cell more positive than the outside
d. 50-100 µV with the inside of the cell more negative than the outside.
medulloblastoma - CORRECT ANSWER A malignant tumor primarily seen in children may be
____.
a. pituitary tumor
b. medulloblastoma
c. acoustic neuroma
d. astrocytoma
Huntington's chorea - CORRECT ANSWER The "dance-like" movements of the head and
extremities may be exhibited in a patient with which hereditary degenerative disease?
a. Parkinson's disease
b. Multiple sclerosis
c. Pick's disease
d. Huntington's chorea