EEG (2025 – 2026) RATED A
An EEG obtained within 24 hours following a closed head injury would be LEAST
likely to show
a. focal polymorphic delta activity
b. focal spike activity
c. asymmetry of the background activity
d. slowing over the posterior head regions - focal spike activity
The EEG of a patient with Lennox-Gastaut syndrome is most likely to show:
a. occipital spikes
b. 1.5 Hz spike and wave discharges
c. temporal sharp waves
d. 3 Hz spike and wave discharges - 1.5 Hz spike and wave discharges
Which of the following infectious diseases is most frequently associated with
periodic complexes in the EEG?
a. neurosyphilis
b. herpes simplex encephalitis
c. tuberculous meningitis
d. mumps encephalitis - herpes simplex encephalitis
What is the typical EEG pattern associated with absence seizures?
a. 1.5 Hz spike and wave
b. 3 Hz spike and wave
c. focal spike and wave
d. polyspike and wave - 3 hz spike and wave
The EEG is most likely to show hypsarrhythmia pattern in patients with:
a. West syndrome
b. Lennox-Gastaut syndrome
c. absence seizures
d. temporal lobe epilepsy - west syndrome (infantile spasms)
Localized or lateralized high voltage delta
a. subarachnoid hemorrhage
, b. alcohol withdrawal
c. subdural hematoma
d. cerebral abscess - cerebral abscess (pus filled swelling in the brain from infection)
This patient's seizures begin with mumbling and difficulty with speech, progress to
jerking on the right side, then a generalized convulsion. What is the likely correlate?
a. wicket spikes
b. bi-PLEDS
c. complex partial seizure
d. electrodecremental seizure - complex partial seizure
Landau-kleffner syndrome
a. aphasia
b. agnosia
c. apraxia
d. ataxia - aphasia (acquired aphasia)
If a 3 year old girl has a febrile seizure a week prior to EEG recording, which of the
following is the most likely finding?
a. high voltage slowing with occasional spikes
b. focal spikes
c. 3 Hz spike and wave activity
d. a normal record - a normal record
A disease characterized by progressive dementia and periodic sharp wave
complexes on the EEG is:
a. Rasmussens encephalitis
b. Wilson's disease
c. Tay Sachs disease
d. Creutzfeldt-Jakob disease - Creutzfeldt-Jakob disease
Meningitis
a. positive babinki's signs
b. nuchal rigidity
c. cortical blindness
d. aphasia - nuchal rigidity (stiff neck)
A stroke which results in only LEFT leg weakness most likely involves which of the
following arteries?
a. the right vertebral artery