CLTM AND EEG BOARD PREP
COMBINED - REBECCA
CLARK-BASH STUDY SET
EXAM WITH 100% CORRECT
ANSWERS 2025
The most appropriate time constant for recording a low
voltage slow wave focus is:
a. 0.012 seconds
b. 0.05 seconds
c. 0.12 seconds
d. 1.00 second correct answers >> c. 0.12 seconds
Time constant = biggest number for slowing
Which of the following typically produces diffuse slowing
on the EEG?
a. Meningioma
b. Cerebral abscess
c. Alzheimer's disease
GRADED A+
,d. Cerebral thrombosis correct answers >> c.
Alzheimer's disease
Meningioma
Lateralized or Focal, Diffuse, Focal correct answers >>
Lateralized or Focal
Alzheimer's disease
Lateralized or Focal, Diffuse, Focal correct answers >>
Diffuse
Cerebral Thrombosis
Lateralized or Focal, Diffuse, Focal correct answers >>
Focal
Which of the following is a characteristic feature of the
EEG in narcolepsy?
a. FIRDA
b. REM onset sleep
c. An increase in EMG
d. Diffuse delta slowing correct answers >> b. REM
onset sleep
What is the most common cause for temporal lobe
seizures in adults?
GRADED A+
,a. Diffuse axonal injury
b. Hippocampal sclerosis
c. Glioblastomamultiforme
d. Venousangioma correct answers >> b.
Hippocampal Sclerosis
In a one-year-old child with West Syndrome, episodes of
neck flexion and arm extension are MOST likely to be
associated with which of the following EEG patterns?
a. 3Hz spike/wave discharges
b. fast polyspike and wave discharges
c. generalized paroxysmal fast activity
d. polymorphic theta and delta activity correct
answers >> c. generalized paroxysmal fast activity
During brain mapping, which of the following techniques
is commonly used to localize the central sulcus?
a. median nerve SEPs
b. intracarotid amobarbital test
c. wake up test
d. implantation of depth electrodes correct answers
>> a. median nerve SEPs
West Syndrome - Seizure Type correct answers >>
Infantile Spasms
GRADED A+
, Select the epilepsy syndrome known to present with
electrodecremental response following each event:
a. Infantile Spasms
b. West Syndrome
c. Hypsarhythmia
d. Lennox Gasteaux correct answers >> b. West
Syndrome
Impedance for Strips and Grids: correct answers >>
< 10nA (nanoamps)
Maximum allowable chassis leakage with invasive
electrodes: correct answers >> 10mA rms
If you are recording with electrodes of different metals
(mismatched metals such as one gold electrode
referenced to Silver Silver Chloride electrode) what might
you expect to record?
a. High Impedance Readings
b. 60 Cycle Artifact
c. Bias Potentials from the differential amplification of the
different charge of each metal
d. No change as the Common Mode Rejection would
eliminate the different in metal charge. correct
GRADED A+
COMBINED - REBECCA
CLARK-BASH STUDY SET
EXAM WITH 100% CORRECT
ANSWERS 2025
The most appropriate time constant for recording a low
voltage slow wave focus is:
a. 0.012 seconds
b. 0.05 seconds
c. 0.12 seconds
d. 1.00 second correct answers >> c. 0.12 seconds
Time constant = biggest number for slowing
Which of the following typically produces diffuse slowing
on the EEG?
a. Meningioma
b. Cerebral abscess
c. Alzheimer's disease
GRADED A+
,d. Cerebral thrombosis correct answers >> c.
Alzheimer's disease
Meningioma
Lateralized or Focal, Diffuse, Focal correct answers >>
Lateralized or Focal
Alzheimer's disease
Lateralized or Focal, Diffuse, Focal correct answers >>
Diffuse
Cerebral Thrombosis
Lateralized or Focal, Diffuse, Focal correct answers >>
Focal
Which of the following is a characteristic feature of the
EEG in narcolepsy?
a. FIRDA
b. REM onset sleep
c. An increase in EMG
d. Diffuse delta slowing correct answers >> b. REM
onset sleep
What is the most common cause for temporal lobe
seizures in adults?
GRADED A+
,a. Diffuse axonal injury
b. Hippocampal sclerosis
c. Glioblastomamultiforme
d. Venousangioma correct answers >> b.
Hippocampal Sclerosis
In a one-year-old child with West Syndrome, episodes of
neck flexion and arm extension are MOST likely to be
associated with which of the following EEG patterns?
a. 3Hz spike/wave discharges
b. fast polyspike and wave discharges
c. generalized paroxysmal fast activity
d. polymorphic theta and delta activity correct
answers >> c. generalized paroxysmal fast activity
During brain mapping, which of the following techniques
is commonly used to localize the central sulcus?
a. median nerve SEPs
b. intracarotid amobarbital test
c. wake up test
d. implantation of depth electrodes correct answers
>> a. median nerve SEPs
West Syndrome - Seizure Type correct answers >>
Infantile Spasms
GRADED A+
, Select the epilepsy syndrome known to present with
electrodecremental response following each event:
a. Infantile Spasms
b. West Syndrome
c. Hypsarhythmia
d. Lennox Gasteaux correct answers >> b. West
Syndrome
Impedance for Strips and Grids: correct answers >>
< 10nA (nanoamps)
Maximum allowable chassis leakage with invasive
electrodes: correct answers >> 10mA rms
If you are recording with electrodes of different metals
(mismatched metals such as one gold electrode
referenced to Silver Silver Chloride electrode) what might
you expect to record?
a. High Impedance Readings
b. 60 Cycle Artifact
c. Bias Potentials from the differential amplification of the
different charge of each metal
d. No change as the Common Mode Rejection would
eliminate the different in metal charge. correct
GRADED A+
