Duplicate of EEG Board Prep 120

Channel B requires what adjustment?

Substantia nigra is affected in what disorder?

The basic unit for measuring current flow is

Electrocerebral inactivity is defined as no elecrical activit greater than

The basic unit of resistance is

Nasopharyngeal or T1/T2 electrodes most helpful recording epileptiform dischages associated w/

Cafe-au-lait spots and neurofibromas are associated with:

Combination of electronic components designed to increase power, voltage or current of signal:

Positron emission tomography (PET) is used for

Sodium amytal is used for

The filters creating a very narrow bandpass that should rarely be used clinically are:

When recorded from over a burr hole, the EEG may show

Cardiovascular & respiratory centers for automatic control of HR & respiration rate, found in:

The term "xanthochromic" is usually used in reference to

Which of the following is NOT related to measuring electrode resistance?

Which of the following conditions is characterized by rigidity, tremors, & festination?

Diagnosis of generaastrocytoma in left frontal lobe is most likely to produce which EEG finding

The tracts connecting the right and left hemispheres are called the:

What is the focus and polarity?

QRS complex refers to

A spike measuring 16 mm peak-to-peak, is recorded at a sensitivity of 10 μV/mm.  Voltage?

Scalp EEG is a result of summation of charges in which of the following cortical cells?

Interictal discharges in pts w/complex partial seizures are most likely recorded in the EEG

The distance from Cz to Pz is 6.8 cm.  What is the distance from nasion to inion?

The ratio of chest compressions to breaths in one-person CPR is:

The trigeminal nerve

Action potential is immediate result of which of the following changes in the neuronal membrane

Fasciculation refers to

Method for monitoring infusion motor artifact from IV infusion pumps is place 2 electrodes on

Time constant is defined as the time required for the pen to fall:

Channel A recorded using standard settings, what instrument change has been made in channel B?

Symmetry of sleep spindles, when present, is important in the evaluation of:

When recording for ECI, interelectrode impedances should be at least __ Ω, but less than __Ω.

Which of the following describes the action of a capacitor?

Of the following, which would be most benificial in evaluating suspected narcolepsy?

Eye leads placed at the outer canthus of each eye will record

Which EEG patterns carries poor prognosis & is often result of a respiratory or cardiac arrest

What is phase change seen when comparing a recording using LFF of 1 Hz to 1 using LFF of 5Hz?

3/sec spike/wave discharge both 100 μV. LFF: 5 Hz, Sensitivity: 10 μV/mm, pen deflection?

Thrombosis of the right middle cerebral artery would most likely cause:

The homunculus is a:

The resting potential os a neuron is:

Which of the following is NOT a phsyiological artifacts?

A family history of epilepsy is especially important to determine the diagnosis of

The sella turcica:

When recording for electrocerebral inactivity, the interelectrode distance should be at least:

A circuit that allows some frequencies to pass through it, while others are blocked is a:

Which of the following best describes lambda waves?

The EEG amplifier is designed, when input 1 is more negative than input 2, deflection is:

Intracranial hemorrhage from middle cerebral artery would most likely produce an EEG finding of

Without dietetic treatment, hereditary ds may cause severe mental retardation &infanitle spasms

What input voltage necessary to give deflection between 5 & 10 mm, sensitivity is 30 μV/mm?

A subarachnoid hemorrhage occurs:

The central sulcus (fissure of Rolando) demarcates the:

Head injury = temporal LOC, followed by confusion, severe HA, & possibly amnesia for accident

Petechiae are

A normal waking & sleeping adult EEG recording will NOT include this feature

When seen in the waking records of adolescents, posterior slow waves of youth

Herniation of the uncus results in compression of which cranial nerve?

Which of the followig is NOT a source of 60-Hz interference?

A small fluctuating output recorded by the EEG instrument even when there is no input signal:

Which medications can commonly cause increased theta and beta activity at therapeutic doses?

Which of the following is NOT a valid expression of Ohm's law?

The sleep disorder that occurs most commonly in the adult population is

The best metals for clinical EEG recording are

Brainstem injury in a patient who is completely paralyzed except for vertical eye movements?

EEG pattern, associated w/herpes encephalitis, CVAs, brain abscess, & other acute brain injury

Paper speed changed to clarify origin of spikes.  How many pages will be recorded in 2 minutes?

Thrombosis of the anterior cerebral artery is most likely to cause:

Which of the following is related to an alpha coma pattern?

Which infection is most likely to produce headache, fever, nuchal rigidity, coma & death?

An asymmetry of the occipital alpha rhythm voltage from the 2 hemispheres should be no >

Increasing depth of anesthesia causes which of the following sequences of EEG changes?

6 to 7 Hz theta activity is typically seen in a normal adult in which of the following?

Pattern, from 10 y.o. w/progressive deterioration of mental function, myloclonic szs, indicate

Inflammation of the coverings of the brain or spinal cord is called:

A patient complaining of right hemiplegia will have

Generalied spike activity without correcting instrument error, the EEG could be interpreted as:

Common mode rejection is:

The midbrain, pons and medulla comprise the

Juvenile myoclonic epilepsy is classified as

Which of the following is NOT a unit for measing alternating frequencies?

Phenytoin: little effect EEG therapeutic levels; approaching toxic levels can cause EEG change?

WADA testing is done to determine

A common seizure in neonates is

Photic driving

When performing EEG for evaluation of CNS disease that may have infectious etiology,tech should

This pattern is associated with thich of the following viral disases

EEG activity associated w/rapidly growing tumors (glioblastoma multiform & cerebral metastatic)

Normal alpha, in an adult, should NOT be seen

A patient can become the pathway of least resistance & electrically susceptible when:

Which of the following would NOT be considered a normal EEG pattern for a fullterm infant?

This type of pattern is a very common finding in:

Electrode site 1 cm above 1/3 distance from left external auditory meatus to left outer canthus

The dance-like movements of the head & extremities may be exhibited in a patient with:

The drug of choice for complex partial seizures is

In a referental montage, how is the origin of a potential determined?

When recording ECI, sensitivity should be __ μV/mm and the LFF should not be > __ Hz.

Calibration input V changed 50 μV to 100 μV during recording of cerebral activity, results in

The diencephalon is composed of:

The Glasgow scale is used to describe

Due to a central scalp lesion, C4 has been relocated 4 mm anteriorly. The tech should:

The triad of caraplexy, sleep paralysis, and hypnagogic hallucinations is seen in

Which of the following is most attenuated by a low frequency filter of 1 Hz?

The purpose of the multiple sleep latency test (MSLT) is to

Two important functions of the medulla are:

A high frequency setting of 35 Hz would attentate 50 Hz muscle activity by approximately:

The presence of sleep spindles in the EEG signals what stage of sleep?

What needs adjustment when unequal spacing b/t lines of channels w/amplifiers in off position

Which electrodes do NOT record directly from the brain?

This test is useful in diagnsis of multiple sclerosis, pontine angle tumors, coma & brain death

A patient with sensory aphasia will have difficulty

Which oof the following is NOT a characteristic of REM sleep?

Activation of an absence seizure is most consistently obtained during

The EEG of an aphasic patient whose CT revealed subdural hematoma most likely shows:

Alpha frequency of 10/s, how many of waves will occur in 30 mm at slow paper speed of 15 mm/s?

The Foramen of Munro is the opening:

The pattern is recorded from a drowsy 6 year old is:

Port wine stain is associated with:

A highly malignant tumor primarily seen in children may be: