EEG Part 1 Practice Exam.1

Evaluation of a CNS disease that may have infectious etiology, the technologist should

A surface positive event found in the occipital head regions during drowsiness:

Café-au-lait spots and neurofibromas are associated with

The technical standards for performing EEG evaluations for electrocerebral incativity are set

What artifact is seen in the anterior temporal and frontal polar leads on this sample?

Describe the prominent feature of this sample.

How much deflection will occur if the calibration input is set at 20uV & sensitivity is7uV/mm?

The distance from Fz to Pz is

Most pts don't need procedures explained, to save time just start measuring head as soon sat ↓.

How much voltage would be recorded if 25 μV beta activity is recorded using a LFF of 1 Hz?

The technologist is expected to wash his/her hands immediately after removing gloves.

An artifact that has an appearance that is similar to a spike is

The trigeminal nerve

Voltage is:

After a MVA, pt has ha, neck pain, dizziness, mood swings & insomnia. The most likely finding:

The artifact from palatal myoclonus is most evident in the EEG derivation

The EEG change most often seen with Sturge-Weber Syndrome is

Keeping equipment clean is very important because: (select all that apply)

Most seizures are

Alpha rhythm is _____. (select all that apply)

Excruciating & irresistible need to move legs upon relaxing to sleep would indicate a diagnosis

Which of the following best describes what is seen in this sample?

Extra care should be taken when performing END testing on critically ill pts at bedside because

The two steps involving skin preparation before electrode application are

Sleep spindles are considered to be abnormal in the following conditions:

How is eye opening and closing an activation procedure? (select all that apply)

A capacitor is a device that

If suspected of being in status epilepticus, what might physician wish to do during the EEG?

A normal response to HV would include:

A sharp wave could have a duration of

Required to have a P & P Manual accessibleto employees

At a sensitivity of 30μV/mm, how much voltage is represented by 10 mm of deflection?

Glia means

Rare fatal do, measles, kids, dementia, myoclonic jerks & szs; EEG periodic complexes 4 – 15 s

Reactivity of brainwave patterns

Cleaning is the same thing as disinfecting and disinfecting is the same thing as sterilizing

A person who is more electrically susceptible than the general population is

The ketogenic diet (select all that apply

Under HIPAA, congress provided civil & criminal penalties for entities that misuse PHI.

The discovery of electromagnetism lead to the development of

Which of the following does not attenuate alpha rhythm?

A system of assessing a patient's level of consciousness is called

Which filter would most effectively filter out slow waves resulting from sweat artifact?

No problems will be caused if an EEG recording is done during dialysis.

Neonate is born at 29 wks GA. EEG performed when 8 wks old. Conceptional age is _ weeks

What artifact is noted at electrode "O2"?

Relationship between voltage, sensitivity and deflection is: . (Select all that are correct.)

Common Mode Rejection is

A simple partial seizure is

It is common for defect in skull, resulting from surgery or accident, to produce which pattern?

Slow, rolling eye movements are seen

How would a technologist monitor glossokinetic artifact by using additional electrodes?

John Knott and Charles Henry were among the many investigators of

The single most important source of information in reducing diagnostic uncertainty

Otto Loewi _____.

It is common for a defect in skull either from surgery or injury to produce which patterns:

Charge is measured in

Deflection occurs if calibration input is set at 50 μV & sensitivity is set at 7 μV/mm?

Hans Berger was the first to observe EEG changes in relation to what condition?

Sleep deprivation is helpful activating epileptiform activity because

If tech in field for long time, physician can allow technologist to read EEGs & dictate reports

Select from the list below, the false statement about current.

The localization method used in referential montages is:

All environmental noise recorded by EEG instruments is 60 Hz in frequency.

If 60 Hz interference reaches these 2 inputs of amplifiers, how much will be amplified?

Sharp wave recorded periodically by scalp leads & confirmed by EKG monitoring channel

What type of artifact would a Vagal Nerve Stimulator produce on an EEG recording?

Federal law bans an EEG technologist from the following: (Select all that apply.)

What does HIPAA stand for?

Voltage of waveform, if the sensitivity is set at 7uV/mm?

Route all power cords and cables

Slow waves of youth attenuate with

Grid 1 has an input of (-70 μV) and Grid 2 has an input of (-35μV)

Disadvantage of failure to discriminate artifacts when processing data for FFT?

Name the normal variant in the illustration?

Vertex transients or "V waves" are found in what stage of sleep?

Why is the Wilson Lawsuit an important marker in EEG technology? (Select all that apply.)

Which of the following EEG features would indicate a poor prognosis?

Describe pattern with onset aprox. 7 s into sample upon stimulation of thiscomatose patient?

Independent, bilateral spikes are considered ABM except in which of the following conditions?

6 month old pt, which of the choices best describes the sample?

According ACNS Guidelines 2006, minimum sampling rate, should be at least _ times HFF setting.

Persons entering field should have an associates degree & training from accredited END school

Which procedures are not within the scope of practice of Neurodiagnostictechnologists?

If 1 of montages is poorly designed. Why is it poorly designed? Select one or more:

Which of the following is not a distinct characteristic used to describe EEG waveforms?

Describe the sample (30 second page with sensitivity of 50 μV/mm)

Waterless gel or foam antiseptics may be used

Cortical neurons communicate via

The suffix -"itis" means

Applying brief firm pressure to Erbs Point

Due to a central scalp lesion, C4 has to be relocated 4 mm anteriorly. The technologist should

The EEG response to hyperventilation would be considered abnormal when

CJD (Creutzfeldt-Jakob Disease) form of transmission:

What is the prominent feature of this sample?

When should the 60 Hz filter or "Notch" filter be used?

The drowsy recording of a normal adult

The most common artifact seen on an EEG recording is

Body tissue contains excessive fluid:

Each channel of the digital EEG instrument has

The basic unit of resistance is

END tech can make test appear very _ & works w/_ is most likely to get the patient relaxed

According to ACNS Guidelines, requires monitors to have _ to accurately display EEG

If you notice eye mvt artifacts in frontals & in P3 electrode, what is likely cause?

Involuntary motor &/ vocal tics, premonitory urges, onset in childhood or adolescence:

The term "complex" in complex partial seizures indicates ______.

78 yo pt w/HTN, smokes, awakens discover cannot speak or move rt side. Most likely diagnosis

The resting membrane potential of a neuron is

Used needles should be placed directly in

Since distances are double in ECI recordings, it isn't necessary to apply full set electrodes

No alteration in consciousness is characteristic of what type of seizure?

What is the prominent feature of this sample?

The term prevalence refers to

Of extended duration; slow to develop

An increased number of white blood cells

No matter what type of eye monitoring electrode placements you use, you should always

An olfactory aura is often

What would be a good technical description of the sample?

Unknown cause, may follow viral infection in kids taken ASA; n/v, personality Δ, szs & LOC

How would you describe the sample?

Time constant is measured in

Which of the following describes the action of a capacitor?

To document maximum alertness during the recording

Input 1 = + 100 μV and Input II = + 100 μV. The waveform will:

Using Nyquist Theorem, minimum sampling rate to clearly resolve a 70Hz waveform?

Benign Rolandic Epilepsy is associated with

Color filters can sometimes block photoconvulsive responses

Identify the diffuse low voltage spikes in this sample?

Which of the following is not a characteristic of REM sleep?

Localize abn in sample by selecting all that apply in the answers below.

The frequency range of beta is

Which can be elicited by having the patient scan acomplex image?

What is the stage of sleep and what patterns are present?

How would you describe this sample?

Generalized tonic/clonic seizures which continue for 30 minutes or more are

Midline theta rhythm is 5-7 Hz "spiky" waveform which & is found in what % of gen. population?

Define the two high voltage discharges in this sample (sensitivity 50 μV/mm)?

Patients with _ have severe excess of urea in blood due to acute or chronic _.

What are the possibilities of the origin of the slowing in this sample?

EEG labs should have dimmer switches, lighting adjusted for thepatient's comfort level.

A fourth degree burn involves

Normal brain function is dependent on adequate _____ and _______.

Causes decreased CO₂, vasoconstriction & ↓ peripheral blood flow. (select all that apply)

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

Twitch RT face, electrode insures ↑ amplitude, w/out chance of in phase cancellation& w/out EKG

What are the four aspects of digital data collection which dictate signal reproduction quality?

Describe sample, note documentation nurse pricked patient's finger at the onset of the sample

Which of the following sleep transients is well defined by age 2 to 3 months?

What artifact is likely in the sample at Fp2?

Recording EEG signals that are very low in amplitude in midst of 60 Hz noise because

What stage of sleep is this and how do you know?

The patient with narcolepsy _____.

Electrocerebral inactivity is defined as

Never use an extension cord with END instruments.

Left hemisphere found dominant for language in rt handed individuals, what % of the time?

Elderly pt who notes difficulty in learning the names of new neighbors & recalling old friends

If Grid 2 is more negative or less positive than Grid 1, the deflection will be ____ .

Ability of the instrument to output voltage difference between 2 inputs to single channel is

What should tech do if they suspect that the EEG channels are recording EKG artifact?

In this adult pattern, what is seen in this sample and is it normal or abnormal?

How much of a .3 Hz wave will be seen if the .3 Hz LFF is on?

How does "Digital Bio Calibration" differ from traditional analog "Bio Cal"?

In LTM the electrode set up is