Registered Electroencephalographic Technologist (R. EEG T.) Practice Exam

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• The posterior cerebral artery primarily supplies blood to which part of the brain?
• A patient has a generalized tonic-clonic seizure during EEG recording. What is the primary responsibility of the EEG technologist if one electrode is pulled off?
• At what conceptional age is a delta brush pattern primarily seen?
• What are benign epileptiform transients of sleep classified as?
• Which of the following conditions is most likely to lead to an EEG with large voltage slow waves?
• What occurs with unbalanced electrode impedances greater than 20 Kohms?
• What does HIPAA regulate?
• Excessive beta frequency activity may result from which condition?
• Which EEG feature is typically seen during deep anesthesia?
• According to 2016 ACNS guidelines, the recommended CMRR is at least what value?
• The fissure that separates the temporal lobe from the frontal lobe is called?
• Which option indicates a potential abnormal finding in EEG patterns?
• Which of the following is characteristic of active sleep in a neonate?
• When does REM sleep onset typically occur after sleep begins?
• Sleep spindles may be more irregular or of lower voltage in which of the following groups?
• At what frequencies is Photic Driving most commonly observed?
• What frequency range does the Mu Rhythm typically fall into?
• A stat EEG has been ordered on a woman who experienced a generalized tonic-clonic seizure. If a man claims to be her husband, what should the technologist do?
• Which symptom is typically associated with an increase in intracranial pressure?
• Damage to which brain area may cause expressive aphasia?
• What is the expected EEG finding in a patient with generalized epilepsy?
• What effect does a low frequency filter (LFF) setting of 5 Hz have on a 5 Hz wave?
• A prolonged series of generalized convulsions without any period of consciousness between them is referred to as:
• What should be the first reaction to detect 60 hertz artifact in one electrode?
• What does a positive response in seizures indicate in terms of cortical involvement?
• In a normal 28-week pre-term infant, the EEG should show what type of pattern?
• Which lobe of the brain is responsible for intellectual functions like judgment and problem-solving?
• Which of the following best describes an EEG finding that shows a series of spikes followed by waves?
• Which brain pattern fades away at the youngest conceptional age?
• Which type of electrode provides the least distortion of low frequencies?
• A spike or sharp wave in EEG results from what process?
• Creutzfeldt-Jakob disease is classified as which type of disease?
• What is the most effective means of preventing nosocomial infections?
• Which of the following EEG findings is considered abnormal?
• What type of waves are typically seen in a relaxed, awake state?
• Which form of activity in the EEG may indicate severe brain dysfunction?
• A subdural empyema is characterized by the presence of what?
• The term "artifact" in EEG refers to:
• Sphenoidal electrodes are used to record activity from which area of the brain?
• The etiology most commonly associated with LPDs/PLEDs is which of the following?
• Which type of activity might be indicative of encephalopathy in an EEG?
• The precentral gyrus is located in which part of the brain?
• In which condition is papilledema most commonly observed?
• What is a key characteristic of sleep spindles in an EEG?
• What EEG pattern predominantly suggests the presence of seizures in infants?
• What is most important when evaluating the background activity?
• Which of the following time constants would best display delta activity?
• During which phase is a neonate most likely to exhibit delta brushes?
• Which of the following is one of the 10 ACNS Guidelines for ECI recordings?
• What type of seizure involves loss of awareness and can be mistaken for daydreaming?
• What vascular source supplies blood to the anterior and middle cerebral arteries?
• What is a characteristic symptom of Bell's palsy?
• In which area of the brain are auditory functions primarily processed?
• In which anatomical region may seizure activity produce strong déjà vu and chewing automatisms?
• What parameter is primarily used to evaluate brain electrical activity?
• What action can confirm the presence of Mu Rhythm during an EEG?
• What is the expected EEG pattern in a patient experiencing a tonic-clonic seizure?
• What is the recommended input impedance in relation to CMRR?
• The central sulcus is the anterior boundary of which lobe?
• What visual abnormality is often noted after a complex partial seizure?
• What is commonly monitored in patients at risk of seizures?
• The third ventricle connects to the fourth ventricle via which structure?
• TIME CONSTANT is primarily related to which concept in EEG?
• Which encephalopathic EEG pattern is most commonly associated with children?
• A large lesion at the optic chiasm will likely produce what condition?
• Which is not a risk factor for Juvenile Myoclonic Epilepsy (JME)?
• If the measurement between the preauricular point and T3 is 3.2 cm, what is the distance between C3 and CZ?
• Which syndrome is characterized by electrical status epilepticus of sleep?
• Compared to recordings from adult patients, Vertex Waves in pediatric EEG recordings are generally what?
• What is the most useful EEG method for evaluating temporal lobe seizures?
• How should needles be discarded?
• Impedance can best be described as what type of electrical characteristic?
• What condition may be indicated by the presence of blood in the cerebrospinal fluid?
• What is the significance of lambda waves in EEG recordings?
• What is the typical wave pattern associated with a focal seizure?
• What device alters the frequency composition of a signal?
• The sharpness of the frequency response curve is determined by which filter characteristic?
• What is the primary purpose of using a high-pass filter in EEG recordings?
• What is the most prominent clinical feature of Dilantin toxicity?
• What type of herniation can be indicated by specific changes in brain electrical activity?
• A technologist should only discuss EEG findings with:
• What is a blood clot that forms at the site of an atherosclerotic plaque called?
• A Business Associate Agreement is necessary when:
• Which of the following findings is most commonly seen in the EEG of a patient with a brain tumor?
• If the distance from the right preauricular to the right outer canthus measures 9 cm, where should electrode T2 be placed?
• Which type of seizure is most commonly seen with elevated body temperature in children?
• Which of the following is not useful in digital EEG recordings?
• What is the most likely dominant posterior rhythm in an awake 5-month-old infant?
• Which neurotransmitter is deficient in patients with Parkinson's disease?
• Which of the following should be avoided in EEG because it may increase the capacitive current to a potentially dangerous amount?
• In which phase of sleep are sleep spindles most commonly observed?
• High voltage theta or delta waves, commonly seen in children aged 8-14, are accentuated by which activity?
• When a large amount of electrode paste is used to hold EEG electrodes in place, the total recording area will be:
• During the clonic phase of a generalized tonic-clonic seizure, what waveform morphology is most likely to be observed?
• Which condition is most likely to be associated with sharp waves in an EEG?
• When testing an outpatient with active tuberculosis, who should wear a mask?
• What type of response to photic stimulation is characterized by generalized spike-and-wave discharges continuing after the last flash?
• What degenerative disease is characterized by dementia and "dance-like" movements?
• What is the primary consequence of synchronous activation of multiple neurons?
• What condition is often caused by prolonged severe cerebral anoxia?
• Eyelid myoclonia with absences and eye closure induced seizures is characteristic of:
• Patients with temporal lobe epilepsy may display ictal automatisms, which are:
• What is primarily represented in the frontal lobe?
• According to the 2016 ACNS Guidelines, what is the minimum horizontal resolution recommended?
• Which anatomical landmark separates the motor cortex from the sensory cortex?
• What is considered a violation of ABRET's Code of Ethics?
• Which law is most closely related to the measurement of voltage in relation to current and resistance?
• What EEG pattern is characterized by multifocal spikes?
• Which EEG pattern is typically seen in relaxed, awake individuals?
• During which state is there a notable occurrence of slow lateral eye movement?
• Which medication would be expected to increase beta frequency activity?
• What condition is commonly associated with ACTH?
• Which of the following could contribute to increased seizure activity in a patient with epilepsy?
• Which combination of settings will help enhance a low voltage slow wave masked by muscle activity?
• What is the method of EEG recording that suggests the presence of anoxic encephalopathy?
• Focal or unilateral suppression and slowing may indicate which condition?
• Which EEG finding is commonly associated with photic stimulation?
• What does diffuse slowing on an EEG usually indicate?
• In evaluating abnormal EEG discharges, what is the most important factor to document?
• Which effect does phenobarbital have on the EEG?
• Hypnagogic hypersynchrony is least likely to occur in:
• Which type of seizure is NOT typically associated with Lennox-Gastaut syndrome?
• PLEDS are most likely to be seen in a patient presenting with what condition?
• Which condition is known for showing "wicket spikes" on EEG?
• What term refers to periodic, rhythmic or ictal-appearing discharges induced by alerting stimuli?
• What is a key function of the EEG in clinical settings?
• EEG activity is thought to arise from which of the following?
• Which disorder is characterized by acquired aphasia and multifocal epileptiform abnormalities?
• Beginning in adolescence, several members of the same family developed progressive instability, ataxia, and the inability to walk. Which of the following best describes this condition?
• Which of the following is a common cause of an abnormal EEG reading?
• Which characteristic is commonly observed in the EEG of a patient with encephalopathy?
• Which part of the brain is primarily responsible for judgment and problem solving?
• What are the primary cells contributing to the generation of EEG activity?
• Phenobarbital primarily causes which change in EEG?
• Which finding is consistent with a diagnosis of non-convulsive status epilepticus?
• What effects might be seen on an EEG performed on a patient with chronic alcoholism?
• What phenomenon is characterized by an intermittent electrical disturbance resulting in synchronized wave patterns?
• Which medication is used as a sedative and anxiolytic with quick onset effects?
• Which theory specifies the minimum sampling rate used in relation to the highest frequency signal recorded?
• What condition is most likely to show high spikes and slow-wave activity?
• Decorticate posturing is characterized by which of the following?
• What is the primary role of a differential amplifier in EEG recordings?
• The interictal EEG of children with a history of untreated febrile seizures is usually:
• Which cranial nerve primarily controls ocular movements?
• EEG is most useful in the diagnosis of which condition?
• The EEG of a patient with Lennox-Gastaut Syndrome typically shows what kind of wave pattern?
• Which condition is associated with PLEDs?
• What is the main concern for transmission of infection in an EEG laboratory?
• What type of waveforms are typically seen during the clonic phase in generalized tonic-clonic seizures?
• What do right temporal sharp transients recorded during wakefulness in a 38-week conceptual age infant indicate?
• What characteristic EEG pattern is commonly associated with absence seizures?
• What is a common clinical manifestation of temporal lobe seizures?
• What is the pattern of 1 to 1.5 Hz activity with superimposed 8 to 20 Hz activity seen in neonates called?
• Which tumor is least likely to result in epileptiform activity during an EEG examination?
• If a patient has a circumference measurement of 55 cm, which interelectrode distance can be calculated?
• What is the most common etiology associated with LPDs/PLEDs?
• A disease that presents with an acoustic startle response within the first few months of life is known as:
• What does the presence of delta waves in an EEG often indicate?
• Which normal EEG activity is most likely observed at the C3 or C4 electrode position?
• What is the typical clinical presentation of Creutzfeldt-Jakob disease?
• A slow wave focus is best seen with which setting?
• What might cause a build-up of slowing several minutes after hyperventilation?
• Which of the following describes rare 6-11 Hz negative sharp arciform waves seen in adults over 30?
• If a patient begins seizing during photic stimulation, what should the technologist do?
• Which cranial nerve is affected by vestibular schwannomas?
• No difference in voltage between input 1 and input 2 describes what condition?
• Rhythmic theta activity in the temporal region is most commonly associated with which seizure type?
• What is the typical EEG pattern associated with absence seizures?
• What vital functions does the medulla control?
• What is the best reference electrode in an awake patient with excessive temporal myogenic activity?
• What is the distance from Fz to Oz if the distance from nasion to inion is 34 cm?
• How are sleep stages in a term newborn infant characterized?
• Temporal Lobe Epilepsy accounts for what percentage of all patients with epilepsy?
• A disease characterized by progressive dementia and periodic sharp wave complexes on the EEG is:
• Delta brushes are seen in:
• Which EEG pattern is associated with absence seizures?
• According to the guidelines, how many bits of resolution is required for EEG equipment?
• Which condition is associated with sleep-onset REM?
• What type of EEG finding is associated with increased drowsiness?
• Which cranial nerve is responsible primarily for sensory function?
• If the parasagittal plane measures 26 cm where is F4 to be marked if 0 is placed on O2?
• What is the primary clinical significance of identifying focal spike activity in an EEG?
• In which of the following conditions is a normal EEG expected?
• What does the acronym SDS represent?
• Deja Vu is primarily associated with which type of seizure?
• Which EEG pattern is associated with a skull defect?
• What is the primary benefit of achieving balanced impedances in EEG recording?
• Which condition indicates the best prognosis for a comatose patient?
• Which EEG pattern indicates a potential seizure focus?
• Slow sampling rate may cause fast frequencies to appear slower due to what phenomenon?
• Glossokinetic artifact is classified as which type of artifact?
• What does clinical semiology describe in relation to patient events?
• According to the ABRET Code of Ethics, when should a credentialed technologist report to ABRET?
• Which of the following can be associated with posterior cortical atrophy?
• What is a likely cause of absence seizures in children?
• Which condition is most likely to show periodic lateralized epileptiform discharges (PLEDs)?
• High voltage theta or delta waves are commonly seen in children aged 8-14 and are accentuated by:
• What EEG finding is commonly associated with cerebral ischemia?
• Which of the following describes EEG patterns and seizures?
• Photoparoxysmal responses are characterized by which of the following?
• Which lobe of the brain is mainly involved in auditory processing?
• What lobes does the Rolandic gyrus separate?
• In EEG, what does the term "artifact rejection" refer to?
• Which tumor is most likely to provoke EEG abnormalities?
• A meningioma is typically characterized as which type of tumor?
• What is the primary clinical significance of detecting sharp waves in an EEG?
• A common symptom indicating involvement of the right ACA may include?
• Which of the following EEG patterns is MOST likely associated with seizures?
• Dysarthria is best described as which of the following?
• Bell's palsy is primarily characterized by which of the following symptoms?
• Which component is vital for reducing background noise in EEG recordings?
• Which of the following is the most likely finding in a full-term neonate with seizures?
• Which pattern is characterized by extremely high voltage activity with slow waves and multifocal spikes, seen with infantile spasms?
• Which condition is characterized by a locked-in syndrome?
• Which artery is formed by the joining of the vertebral arteries?
• What does the term scotoma refer to?
• What environmental factors enhance LAMDBA?
• What might be indicated by a generalized irregular spike wave or polyspike wave burst on EEG?
• If sweat artifact is severely obscuring the EEG, what is the FIRST step the technologist should take?
• What characteristic EEG finding is associated with non-convulsive status epilepticus?
• What clinical signs are expected to be seen if a patient has a stroke involving the left anterior cerebral artery?
• Changes in personality are most likely associated with tumors in which lobe of the brain?
• The processing of language and auditory signals primarily occurs in which lobe?
• Which EEG pattern is NOT caused by cerebral anoxia?
• Which aura is associated with Heschl's gyrus?
• How many cranial nerves have both sensory and motor functions?
• A downward deflection occurs in EEG readings if?
• Which of the following is a normal EEG pattern found at about 32 weeks conceptional age?
• What function is most associated with the temporal lobe of the brain?
• FT9 or T1 and FT10 or T2 electrodes record from which part of the brain?
• What type of MRI is often referred to as functional MRI?
• What occurs when a 60 cycle sine wave is sampled at 100 hertz?
• What would you expect to see on an EEG performed two days after a transient ischemic attack?
• Which EEG pattern is associated with the presence of high voltage spikes?
• What acronym describes distinctive EEG waves or complexes occurring between seizures?
• Which of the following represents an abnormal EEG response to photic stimulation?
• Which part of the brain would be most affected by a severe lack of oxygen?
• When using a photic stimulator, which flash rate is most likely to activate seizure activity?
• Using the International 10-20 electrode placements, if the distance from Fp2 to F4 is 5.5 cm, what is the distance from P4 to O2?
• Digital EEG montages are reformatted by which method?
• In EEG, a common artifact caused by muscle activity is known as?
• What EEG finding is most likely associated with a brain abscess?
• Which of the following is most characteristic of Creutzfeldt-Jakob disease?
• In which electrode positions is LAMBDA typically found?
• Which term describes the ratio of an amplifier's output to its input signal?
• Which cranial nerves are involved with eye movement?
• Which EEG correlate is most commonly associated with an epileptic aura?
• Voltage Resolution is correlated with which of the following options?
• Which of the following should be documented in the patient's history?
• What type of seizure is characterized by loss of awareness and possible repetitive movements?
• Which condition can lead to transient bursts of slowing after hyperventilation?
• In EEG studies, what indicates the presence of a seizure?
• Which of the following occurs during a typical absence seizure?
• The onset of Sturge-Weber disease is typically observed during which life stage?
• What type of memory is primarily processed in the frontal lobe?
• Precocious puberty is associated with pathology of which part of the brain?
• Excessive beta frequency activity may be a result of:
• It is common for FIRDA to be confused with which condition?
• Slow sampling rate may cause fast frequencies to appear slower due to which phenomenon?
• Which of the following best describes secondary bilateral synchrony?
• What phenomenon is used to assess brain responsiveness to visual stimuli?
• A 50 microvolt wave at a sensitivity of 5 microvolts/mm will produce what deflection on the EEG?
• Which EEG finding is typically associated with absence seizures?
• What term describes gradual changes in amplitude, frequency, or spatial distribution of rhythms?
• Which infectious disease is most frequently associated with periodic complexes in the EEG?
• Seizures characterized by visual hallucinations are most likely emerging from which lobe?
• Localized or lateralized high voltage delta can indicate which of the following conditions?
• Which characteristic is true regarding triphasic waves?
• Which brain lobe plays a significant role in emotional regulation?
• Which of the following time constants would best display delta activity?
• Atypical Photic Response is associated with?
• A spike or sharp wave results from:
• What is a characteristic of complex partial seizures?
• The pain of a migraine is generally attributed to what physiological change?
• Which normal waveform is typically NOT seen in the posterior leads?
• The EEG of a child with benign rolandic epilepsy is most likely to show which of the following?
• Which artery supplies blood directly to the occipital lobe?
• A tangle of arteries and veins in the brain, associated with a tendency to bleed suddenly is called:
• What is the primary EEG pattern associated with non-convulsive status epilepticus?
• What characterizes infantile spasms on an EEG?
• Typically, the latency to REM sleep is?
• Which lobe would you associate with processing sensory information from the body?
• What is the most common form of focal seizures in adults?
• According to Nyquist theory, the most appropriate sampling rate for a HFF setting of 70Hz is:
• What is the primary characteristic of breach rhythm in EEG?
• What condition describes inflammation of the covering of the brain or spinal cord?
• A seizure discharge from the right frontal lobe is likely to result in which clinical feature?
• According to OSHA, how often should electroneurodiagnostic equipment be checked for electrical safety?
• Which brain structure is primarily affected by atrophy in Huntington's disease?
• What does the term "diplopia" refer to in a medical context?
• What is the expected EEG activity in a patient with Down's syndrome?
• What is the best classification for burst-suppression on an EEG?
• Which method mathematically converts the time function into a sine wave of different frequencies?
• Landau-Kleffner Syndrome is primarily associated with which condition?
• What is the most common cause of generalized beta?
• Given a voltage of 50 microvolts and a sensitivity of 10 microvolts/mm, what is the resultant amplitude?
• What other EEG pattern would you expect to see in the patient with prominent photic driving response?
• What is a reason not to allow an outpatient to sleep during an EEG recording?
• What does a meningioma affect?
• In a testing scenario, which of the following is NOT an appropriate activation method in EEG?
• Which pattern is associated with normal findings during wakefulness in an EEG?
• In which condition is the EEG always abnormal?
• Which artery is formed by the joining of the vertebral arteries?
• According to polarity convention for EEG, when is the deflection upward?
• The posterior cerebral artery supplies blood to which part of the brain?
• What is indicated if an EEG shows diffuse slowing?
• What clinical sign is most indicative of a cerebellar hemorrhage?
• Which condition is characterized by dementia, myoclonus, and biphasic or triphasic repetitive discharges?
• What is a common postictal state following a seizure?
• Which frequency range is typically observed in theta waves during an EEG?
• In which neurological condition might you find periodic lateralized epileptiform discharges (PLEDs)?
• Seizures commonly result from withdrawal of which substance?
• What factors are most important in evaluating background frequency on an EEG?
• What EEG finding is typically observed during REM sleep?
• Which of the following is included in the list of BIPLEDS?
• What is a distinguishing feature of febrile seizures?
• What EEG pattern might you expect in a patient with a strong photic driving response?
• What kind of seizure is typically induced by photic stimulation?
• EMG artifacts time locked with the flash frequency of photic stimulation are indicative of which response?
• What is the primary role of the central nervous system in relation to EEG readings?
• The 60 Hz notch filter will have the greatest effect on a waveform having a duration of?
• Which factor is NOT considered a risk for Juvenile Myoclonic Epilepsy (JME)?
• Balanced electrode impedances are important to:
• What is the consequence of a broken lead wire during a recording?
• Which type of monitoring is most useful for an EEG patient experiencing syncope?
• Under which condition is it allowed to release patient information to a third party?
• Through what opening do the lateral ventricles merge with the third ventricle?
• What is the electrical abnormality associated with Breach rhythm?
• NREM Stage 1 (N1) sleep is characterized by all of the following EXCEPT?
• Which of the following procedures can be considered to be a "non-standard" activation?
• Which of the following is NOT typically evaluated in an EEG for seizures?
• What condition is characterized by eye closure induced seizures and photosensitivity?
• Cortical EEG recordings can be obscured in patients who are tense and anxious due to?
• What EEG finding is primarily observed in patients with seizure disorders?
• What EEG finding is often used to assess brain function in coma patients?
• Which syndrome is characterized by neurocutaneous involvement?
• What is typically true about a meningioma?
• A 0.5 Hz wave is enhanced without affecting a spike using which of the following?
• Which of the following is the worst prognostic feature in the EEG of a comatose patient?
• Which statement is NOT true regarding Digital EEG recording per ACNS guidelines?
• To enhance alpha and beta asymmetry in an EEG with high voltage delta activity, which method should be used?
• During an absence seizure, what should a technologist do?
• Immediately following a generalized tonic-clonic seizure, the EEG typically shows:
• What is of most value of EEG in psychiatric disorders?
• Where is the cingulate cortex located in relation to the corpus callosum?
• Which of the following can cause artifacts in an EEG?
• What term describes the amount by which the differential amplifier increases the magnitude of the input signal?
• Which type of seizure is associated with hypothalamic hamartoma?
• Which neonate pattern is associated with interburst intervals that are less than 25 µV in amplitude from 30 to 34 weeks gestational age?
• For low frequency filters, what is the time constant for an LFF cutoff frequency of 3 Hz?
• What could lead to a life-threatening current passing through a patient?
• A patient with right hemiparesis most likely has a lesion in which area of the brain?
• What condition is characterized by impaired speech?
• Vertical resolution is also known as:
• Which type of seizure is more likely to produce an electrodecremental pattern?
• Photic induced epileptiform discharges are most likely associated with:
• Todds paralysis is also referred to as:
• Frequency in EEG is influenced by:
• The EEG of a patient with hepatic encephalopathy is most likely to show:
• Damage to which lobe may impair a person's ability to solve problems effectively?
• Mu rhythm and alpha rhythm differ in all of the following respects EXCEPT:
• Which syndrome is commonly associated with eyelid myoclonia?
• Changes in personality are most likely associated with tumors of the:
• If C4 must be moved 1 cm posteriorly due to an incision, which other electrode must be moved accordingly?
• Once EEG data is acquired, what is expected regarding information protection?
• This study would be useful for acute head trauma:
• What is a common characteristic of spikes in EEG readings?
• In an EEG displayed at 30 mm/sec, how would a high voltage transient with a duration of 2 mm be classified?
• Which EEG phenomenon is characterized by a combination of spikes and waves?
• Which of the following structures is primarily responsible for processing auditory information?
• What type of EEG pattern is typically not expected in a coma state?
• What setting determines the sharpness of the frequency response curve in EEG recordings?
• Which lobe of the brain is primarily involved in visual processing?
• The 60 Hz notch filter has the greatest effect on a waveform with which duration?
• What type of brain activity is characterized by fast and irregular rhythms associated with high arousal levels?
• What is the correct formula for calculating voltage?
• What instrumentation setting change enhances cortical slowing?
• Which of the following represents the duration of a sharp wave?
• What is the goal of recording a patient's maximal awake state during EEG?
• Rhythmic theta activity in the temporal region is most commonly associated with which type of seizure?
• What anatomical landmark is defined as the indentation between the nose and the forehead?
• What is a defining feature of Stage N2 (Stage 2) sleep?
• What is the primary function of the EEG in clinical practice?
• Which of the following montages would best display the amplitude of a left temporal spike?
• If the sensitivity is 7μV and the voltage is 20μV, what is the measurement of the deflection?
• Which of the following EEG patterns is characteristic of West syndrome?
• What EEG pattern is most characteristic of ongoing seizure activity?
• Which test is considered the most appropriate for determining cerebral dominance?
• In which condition is papilledema most commonly observed?
• During which of the following types of seizures would a patient be likely to experience déjà vu?
• Which of the following blood vessels is most frequently involved in strokes?
• What does the presence of sleep spindles indicate?
• Alpha waves are typically recorded from which part of the head?
• What EEG finding indicates the worst prognosis in patients with cerebral hemorrhages?
• What neurological disorder involves predisposition to seizures beginning in adolescence?
• In EEG, what does an increase in beta activity typically indicate?
• What is considered the most important source generator of the EEG?
• What is the common neurological sign assessed in patients with cerebrovascular accidents?
• Which pattern is associated with Creutzfeldt-Jakob disease?
• What is characterized by focal or generalized seizures along with speech loss in children?
• What distinguishes simple partial seizures from complex partial seizures?
• A lesion of the uncus may result in which type of perceptual disturbance?
• What is the typical characteristic of spike and wave discharges in absence seizures?
• Which type of seizure is characterized by a temporary interruption of consciousness, often with a blank stare?
• What is the standard of conduct for credentialed technologists?
• Which condition is characterized by cortical dysplasia leading to seizures?
• VOLTAGE RESOLUTION in EEG refers to which aspect?
• What characteristic EEG pattern is associated with Creutzfeldt-Jakob Disease?
• In clinical EEG practice, what is the primary concern regarding patient data?
• Periodic lateralized epileptiform discharges are most likely associated with which condition?
• In patients with myoclonic epilepsy of Janz, seizures are most likely to occur:
• In which condition are periodic lateralized epileptiform discharges most likely to be observed?
• What is the primary cause of Wernicke's encephalopathy?
• What does the abbreviation EEG stand for?
• In terms of EEG wave frequency, which term describes a measure of distortion?
• What does the presence of unilateral Babinski signs typically indicate?
• What percentage of actual amplitude will be visible of a 15 Hz wave when using a high-frequency filter (HFF) setting of 15 Hz?
• What term describes the failure of the alpha rhythm to diminish with eye opening?
• By what age should EEG differentiation of the four stages of non-REM sleep be identifiable in a child born at term?
• Which artery supplies blood to the anterior and middle cerebral arteries?
• Which of the following is not typically seen in a normal awake adult's EEG?
• A stroke which results in only LEFT leg weakness most likely involves which of the following arteries?
• Which Act emphasizes the use of "minimum necessary" health information needed for disclosure?
• During which stage of sleep do you experience the most vivid dreams?
• Given a voltage of 50 microvolts and a sensitivity of 10 microvolts/mm, what is the resulting amplitude?
• During neonatal seizures, the EEG is most likely to show:
• What additional monitoring should be done in a middle-aged patient who repeatedly alerts from sleep during the EEG?
• The occipital lobe is primarily responsible for which function?
• What is the expected EEG finding in patients experiencing psychogenic non-epileptic seizures (PNES)?
• In a normal 28-week pre-term infant, the EEG should show which type of pattern?
• What normal activity would be seen most prominently at the C3 or C4 electrode position?
• Hypnagogic hypersynchrony can be present during:
• In which condition is papilledema most commonly found?
• Tuberous sclerosis is classified as what type of condition?
• What is most important to document in the history of your EEG patient?
• Which condition most commonly results in beta coma?
• A seizure characterized by turning of the head, eyes, and trunk in one direction is typically caused by a focus in which area?
• Lowering the high filter during EEG recording may cause what initial effect?
• What physiological state is typically associated with sleep spindles?
• Focal lesions can often be associated with which type of neurological condition?
• What condition does homonymous hemianopsia refer to?
• In which part of the brain would you likely find areas responsible for voluntary motor functions?
• A single attenuated channel of EEG may result from:
• Which neurological condition is primarily marked by seizures and altered levels of consciousness?
• High amplitude spikes in the occipital region time-locked with a slow photic stimulus rate in young children are characteristic of which disease?
• Which substance is primarily measured upon launching an EEG during seizure episodes?
• What is a likely result of damage to Wernicke's area?
• Acoustic neuromas arise on which cranial nerve?
• What is the most common age range for the onset of juvenile myoclonic epilepsy?
• Which EEG finding would raise concern in a 65-year-old patient?
• Which disease, occurring only in females, is characterized by normal development until six to eighteen months of age followed by a quick deterioration of mental abilities?
• An electrographic seizure is characterized by:
• What is the condition associated with PLEDS?
• Which of the following is important to know when evaluating the background activity?
• When is it appropriate for a technologist to offer interpretations of EEG results?
• When minimizing muscle artifact in a recording, what can lowering the high filter cause the artifact to resemble?
• Delta brushes are typically seen in which type of patients?
• What does "ictal EEG" refer to in relation to an event?
• What type of EEG activity is indicative of a normal awake state?
• At what age is the onset of West syndrome most commonly observed?
• The tonic phase in generalized tonic-clonic seizures is characterized by?
• Hypsarrhythmia is a pattern most often associated with which condition?
• Patients with which of the following diseases would most likely have a normal EEG tracing?
• What is addressed by national patient safety goals in healthcare?
• What is commonly used to refer to the acceptable range of electrode impedances in EEG?
• Which of the following tools measures the opposition to current flow when a known voltage is applied?
• Which medication is likely to have the most sedative effect with rapidly increasing dosage?
• A common electrographic correlate of a seizure is:
• Vagal nerve stimulators are used to treat:
• Which condition is characterized by seizures that involve sudden laughter or emotional outbursts?
• Clipping of the waveforms occurs when:
• An EEG obtained within 24 hours following a closed head injury would be LEAST likely to show which of the following?
• Which montage type in EEG is related to average reference?
• Which of the following is grounds for disciplinary action according to ABRET's Code of Ethics?
• Which EEG finding is commonly associated with encephalopathy?
• Which EEG pattern is NOT the result of cerebral anoxia?
• What is the duration of a 10 Hz wave at a display of 15 mm/second?
• What is the primary clinical use of the EEG in patients?
• Which term describes the inability to perform purposeful movement while having no muscular or sensory disturbance?
• What condition is associated with PLEDS?
• In which region do most brain tumors occur in children?
• In an EEG displayed at 30mm/sec, a high voltage transient lasting 2mm is categorized as what?
• What type of spikes are associated with benign Rolandic epilepsy?
• What type of wave activity is accentuated by hyperventilation?
• What structure is primarily responsible for maintaining collateral perfusion?
• What is the primary function of a filter in EEG equipment?
• Which scenario typically does NOT cause an attenuation of the posterior dominant alpha rhythm in a normal adult?
• Which EEG pattern represents the brain's response to pain stimuli?
• Which type of paralysis affects only one side of the face in Bell's palsy?
• In which scenario should an abbreviated 10-20 placement, respiration, ECG, and EOG monitors be used?
• Which of the following is a characteristic feature of prion diseases?
• Wernicke's area lies in the:
• The neurological examination is most likely to be abnormal in patients with which type of epilepsy?
• In which condition would a high-frequency filter of 70Hz typically be used?
• Which of the following conditions is classified as a metabolic disorder?
• What characteristic describes POSTs in an EEG?
• Which of the following features is associated with partial seizure disorder?
• A five-year-old boy suddenly loses his language skills and has frequent epileptiform discharges during sleep. What is a potential diagnosis?
• Benign epileptiform transients of sleep typically peak at what age range?
• What is the Nyquist sampling rate for waveforms containing frequencies as high as 100 hertz?
• The EEG is most useful in evaluating which of the following?
• At therapeutic levels, what effect does phenytoin have on EEG findings?
• What EEG pattern is characterized by rhythmic delta activity?
• What kind of seizure might show increased brain metabolic activity on EEG during the event?
• Which lobe of the brain helps in spatial awareness and perception?
• What is the primary function of the EEG technician during monitoring?
• What type of wave pattern might indicate seizures during an EEG examination?
• Moya Moya disease is associated with which condition?
• What do Mittens, midline rhythmic theta, and Trace alternans have in common?
• Which cranial nerve is mainly involved in controlling facial expressions?
• What kind of coma results primarily from hepatic encephalopathy?
• What does right ACA stroke typically impair?
• Which characteristic of EEGs indicates the presence of synchronization of neural networks?
• Normal EEG in adults of age 70 or older is similar to those younger with the following exception:
• Subclinical Rhythmic Electrographic Discharge in Adults (SREDA) most often appears:
• Which of the following represents an abnormal EEG pattern?
• What is usually the first line of treatment for new-onset epilepsy in adults?
• What type of electricity flows steadily in one direction only?
• Which of the following best describes the purpose of filters in EEG?
• What is the correct duration of time between EEG equipment safety checks as per OSHA?
• What is the most common age range for the onset of epileptic seizures in children?
• Which EEG pattern is characteristically eliminated by limb movement?
• Periodic lateralized epileptiform discharges are most commonly found in the EEGs of patients with which condition?
• If the Low Frequency Filter is changed from 1 Hz to 5 Hz, how will a 2 Hz slow wave be impacted?
• An underlying lesion of white matter will more likely result in which of the following EEG changes?
• What frequency is associated with a low-frequency filter setting of 0.1 Hz?
• Which condition represents a poor prognosis?
• Which device converts an analog signal into a series of digital binary numbers?