QUESTIONS AND CORRECT DETAILED
ANSWERS
f Patient's with Rett's syndrome usually develop normally until age what?
a. 18-24 months
b. 3-6 months
c. 6-18 months
d. 2-4 years - c. 6-18 months
Which of the following is most likely to be associated with a normal EEG?
a. left frontal subdural hematoma
b. left frontal abscess
c. acoustic neuroma
d. cerebellar abscess - d. cerebellar abscess
During an absence seizure the technologist should?
a. stop recording and go to the patient's aid
b. turn the patients head to the left
c. test the patients level of consciousness
d. insert a tongue blade in the patients mouth - c. test the level of patients consciousness
Hypsarrhythmia is a pattern most often associated with :
a. Absence seizures
b. Atonic seizures
c. Infantile spasms
d. Gelastic seizures - c. Infantile spasms
Damage to wernicke's area may result in:
a. Receptive aphasia
b. Anoxia
,c. ataxia
d. Expressive aphasia - a. receptive aphasia
A spike or sharp wave results from?
a. asynchronous activation of neurons
b. depolarization of neurons
c. repolarization of neurons
d. synchronous activation of multiple neurons. - d. synchronous activation of multiple neurons
Papilledema is most common in which of the following conditions?
a. huntington chorea
b. posterior fossa tumor
c. temporal lobe seizures
d. sturge-weber syndrome - b. posterior fossa tumor
Used to localize site of seizure onset by looking for area of hyperperfusion;
a. ct
b. interictal pet
c. ictal spect
d. MRI - c. ictal spect
Collateral perfusion is maintained by? - circle of willis
The neurological examination is most likely to be abnormal in patients with:
a. absence seizures
b. juvenile myoclonic epilepsy
c. lennox-gastaut syndrome
d. rolandic epilepsy - c. lennox gastaut syndrome
If a patient has a circumference measurement of 55cm, which of the following interelectrode distances
can be calculated?
a. c3 to cz
b. o1 to o2
c. fz to oz
d. f7 to fz - b. o1 to o2
,The neurotransmitter that is lacking in the brain of patients with parkinson's disease is? - dopamine
which of the following separates the motor cortex from the sensory cortex? - Rolandic fissure
The onset of sturge-weber disease is typically during?
a. adolescence
b. adulthood
c. elderly
d. infancy - d. infancy
consciousness
a. striate cortex
b. reticular formation
c. cerebellum
d. basal ganglia - b. reticular formation
which is not a risk factor for JME?
a. absence seizure
b. patients ages 14-15
c. sleep deprivation
d. patients ages 3-4 - d. patients ages 3-4
If the nasion to inion measurement is 40cm, what is the distance between cz to pz? - 8cm
PLEDS are most likely to be seen in patients presenting with:
a. acute drug toxicity
b. hypoglycemia
c. cerebral embolus
d. liver failure - a. acute drug toxicity
short interelectrode distance between electrodes will cause which of the following changes to the EEG
waveform?
a. increase frequency
b. decrease in frequency
c. decrease amplitude
d. increase amplitude - c. decrease amplitude
, Ictal;
a. after
b. in between
c. during
d. before - c. during
If the distance from the right preauricular to the right outer canthus measures 9cm, where should
electrode t2 be placed?
a. 1cm out from the right outer canthus and 1cm down
b. 3cm out from the right preauricular point and 1 cm up
c. 1cm out from the right preauricular point and 1 cm down
d. 3 cm out form the right outer canthus and 1cm up - d. 3cm out from the right outer canthus and 1cm
up
when a large amount of electrode paste is used to hold EEG electrodes in place, the total recording area
will be the?
a. diameter of the EEG electrode
b. inner surface area of the EEG electrode
c. inner plus outer surface area of the EEG electrode
d. total scalp surface area of the paste - d. total scalp area of the paste
Impedance can best be described as the
a. current produced by a wire coil in a magnetic field.
b. resistance to alternating current
c. ability to store an electrical charge
d. resistance to direct current - b. resistance to alternating current
Creutzfeld-jakob disease
a. multifocal sharp waves
b. periodic sharp waves
c. polyspike complexes
d. spike and wave complex - b. periodic sharp waves
Bell's palsy is characterized by - paralysis of facial muscles
EEG activity is thought to arise from which of the following?