GUARANTEED ACCURATE ANSWERS |
VERIFIED
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 - ACCURATE 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
d. Cerebral thrombosis - ACCURATE ANSWERS✔✔ c. Alzheimer's
disease
Meningioma
,Lateralized or Focal, Diffuse, Focal - ACCURATE ANSWERS✔✔
Lateralized or Focal
Alzheimer's disease
Lateralized or Focal, Diffuse, Focal - ACCURATE ANSWERS✔✔
Diffuse
Cerebral Thrombosis
Lateralized or Focal, Diffuse, Focal - ACCURATE 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 - ACCURATE ANSWERS✔✔ 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 - ACCURATE 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 - ACCURATE 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 - ACCURATE ANSWERS✔✔ a.
median nerve SEPs
West Syndrome - Seizure Type - ACCURATE ANSWERS✔✔ 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 - ACCURATE ANSWERS✔✔ b. West Syndrome
Impedance for Strips and Grids: - ACCURATE ANSWERS✔✔ < 10nA
(nanoamps)
Maximum allowable chassis leakage with invasive electrodes: -
ACCURATE 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. - ACCURATE ANSWERS✔✔ c. Bias
Potentials from the differential amplification of the different charge of
each metal.