CLTM and EEG Board Prep Combined Study Set with
All correct Questions and Answers_VERIFIED FOR
GUARANTEED PASS
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 Answer)n - ✅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
d. Cerebral thrombosis (Correct Answer)n - ✅c. Alzheimer's disease
Meningioma
Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅Lateralized or Focal
Alzheimer's disease
Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅Diffuse
Cerebral Thrombosis
,Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅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 Answer)n - ✅b. REM onset sleep
What is the most common cause for temporal lobe seizures in adults?
a. Diffuse axonal injury
b. Hippocampal sclerosis
c. Glioblastomamultiforme
d. Venousangioma (Correct Answer)n - ✅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 Answer)n - ✅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 Answer)n - ✅a. median nerve SEPs
West Syndrome - Seizure Type (Correct Answer)n - ✅Infantile Spasms
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 Answer)n - ✅b. West Syndrome
Impedance for Strips and Grids: (Correct Answer)n - ✅< 10nA (nanoamps)
Maximum allowable chassis leakage with invasive electrodes: (Correct Answer)n - ✅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 Answer)n - ✅c. Bias Potentials from the differential amplification of the different charge
of each metal.
What metal is best for recording electrodes? (Correct Answer)n - ✅Chlorided Silver Disk
Ag-AgCl
All correct Questions and Answers_VERIFIED FOR
GUARANTEED PASS
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 Answer)n - ✅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
d. Cerebral thrombosis (Correct Answer)n - ✅c. Alzheimer's disease
Meningioma
Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅Lateralized or Focal
Alzheimer's disease
Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅Diffuse
Cerebral Thrombosis
,Lateralized or Focal, Diffuse, Focal (Correct Answer)n - ✅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 Answer)n - ✅b. REM onset sleep
What is the most common cause for temporal lobe seizures in adults?
a. Diffuse axonal injury
b. Hippocampal sclerosis
c. Glioblastomamultiforme
d. Venousangioma (Correct Answer)n - ✅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 Answer)n - ✅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 Answer)n - ✅a. median nerve SEPs
West Syndrome - Seizure Type (Correct Answer)n - ✅Infantile Spasms
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 Answer)n - ✅b. West Syndrome
Impedance for Strips and Grids: (Correct Answer)n - ✅< 10nA (nanoamps)
Maximum allowable chassis leakage with invasive electrodes: (Correct Answer)n - ✅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 Answer)n - ✅c. Bias Potentials from the differential amplification of the different charge
of each metal.
What metal is best for recording electrodes? (Correct Answer)n - ✅Chlorided Silver Disk
Ag-AgCl
