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ABRET 2023 exams/ 188 Questions and Answers/ Graded A+
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ABRET 2023 exams/ 188 Questions andAnswers/ Graded A+
What info do you need to calculate sensitivity? - -Deflection (mm) and Voltage (uV)
-Normal alpha in an adult should NOT be seen in the... - -Frontal head region
-What disease is caused by a proteinaceous particle or prion? - -Creutzfeldt-Jakob
disease
-Syringomyelia is... - -An abnormal cavity or cyst in the spinal cord
-Spinocerebellar degeneration - -Friedreich's Ataxia
-Without dietetic treatment, this hereditary disease may cause mental retardation and
infantile spasms. - -Phenylketonuria
-Central vertex electrode is... - -Cz
-What EEG pattern is considered a good prognostic sign in a comatose patient? - -
Electrode inactivity
-Slow waves of youth attenuate with... - -Eye opening
-______________________________________ is characterized by multiple
seizure types that are difficult to control, especially atonic seizures and atypical seizures,
in addition to generalized convulsions, and an abnormal EEG with generalized 2-5Hz
slow spike-wave discharges. - -Lennox-Gastaut syndrome
-In a chain linked bipolar montage, what is the most valuable localizing feature? - -
Phase reversal
,-The dance like movements of head and extremities may be exhibited in a patient with
which hereditary degenerative disease? - -Huntington's chorea
-What condition is characterized by nightly rigidity and tremors? - -Parkinson's disease
-Guidelines for recording digital EEG are written by: - -The American Clinical
Neurophysiology (ACNS)
-An area of a brain injury that occurs on the opposite side of the head is called: - -
Contra-coup
-The ability of the EEG instrument to output the voltage difference between two inputs
to a single channel is known as? - -Differential amplification
-What is an abnormal cortical response to photic stimulation? - -Photo-paroxysmal
discharges
-Congenital anomalies of the hindbrain with caudal displacement of pons, medulla, and
cerebellar vermis is called: - -Arnold-Chiari malformation
-The desirable characteristic of a differential amplifier in which like signals are
cancelled is called: - -Common Mode Rejection (CMR)
-A normal waking and sleeping adult EEG would NOT include: - -Delta range activity
during alert stages
-A spike is printed out on paper and measures 16mm peak to peak the sensitivity is
7uV/mm and a calibration of 50uV causes a deflection of 7.1mm. What is the voltage of
the spike? - -112uV
, -At a sensitivity of 3uV/mm, how much voltage is represented by a 7mm deflection? - -
21uV
-______________________________________ is a genetic epilepsy syndrome
whose gene has been mapped to chromosome 6 and becomes evident in normal
teenagers with early morning myoclonic jerks and generalized tonic-clonic seizures. - -
Juvenile Myoclonic Epilepsy (JME)
-Lambda differs from POSTS in that lambda is seen during... - -Eye opening
-A small fluctuating output by the EEG instrument even when there is no input signal
and not associated with electrical line voltage from the outlet and other electrical devices
is called: - -Noise
-Photic driving ___________________ - -May or may not be present in a normal
EEG recording
-The basic unit for measuring current flow is - -Ampere
-The basic unit of resistance is - -Ohm
-What is not a valid expression of Ohm's law? In this equations E (electromotive force)
is the same as V (voltage). - -R = E I or (R=VI)
-What is not a unit for measuring alternating frequencies? - -Volts
-What describes the action of a capacitor? - -Stores energy
-A circuit that allows some frequencies to pass through it, while others are blocked is a -
-Filter
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