ABRET Electroencephalography (EEG) Practice Test

These questions are part of the practice quiz. Start practicing

• What EEG pattern is characteristic of Creutzfeldt-Jakob disease?
• Input impedance in EEG systems should be:
• To enhance a waveform of 0.5 Hz, which low frequency filter setting is recommended?
• Widespread low voltage activity in EEG can often indicate which state?
• Which of the following EEG patterns is typically NOT associated with encephalopathy?
• What may cause extremely low voltage due to phase cancellation in EEG recordings?
• Which type of tumor is least likely to cause epileptiform activity in EEG?
• When testing an outpatient with active tuberculosis, what is essential for the patient to wear?
• What is the most likely EEG finding in a patient with a cerebral abscess?
• What are the meninges?
• Arteriovenous malformation is characterized by what type of condition in the brain?
• Which cranial nerves are specifically involved in eye movement?
• In the EEG laboratory, the major concern for transmission of infection is most commonly through?
• What is the primary role of the EEG in diagnosing brain disorders?
• The aqueduct of Sylvius is primarily associated with which function?
• The pain associated with a migraine generally results from what physiological event?
• What is a common feature observed during cytoskeletal dysfunction affecting neurons?
• The presence of an arteriovenous malformation in the brain can lead to which significant risk?
• Which hormone is commonly used to treat infantile spasms?
• What type of electrical activity might indicate a seizure on an EEG?
• What is the main symptom of hepatic encephalopathy?
• At therapeutic levels, what kind of EEG findings does phenytoin generally cause?
• In a patient showing signs of meningitis, what electroencephalographic finding might be present?
• What condition occurs only in females and is characterized by normal development until 6 to 18 months of age, followed by a decline in mental abilities?
• Which device measures the opposition to current flow when a known voltage is applied?
• Which legislation emphasizes the minimum necessary use of protected health information?
• If a patient has a stroke involving the basilar artery, what clinical sign is expected?
• What role does an impedance meter serve in EEG practices?
• Which symptom is most characteristic of Creutzfeldt-Jakob Disease?
• What is a sign of meningitis?
• What is the best reference electrode choice when recording in suspected temporal lobe epilepsy?
• What is the primary purpose of photic stimulation during an EEG?
• PLEDs are most likely to be observed in patients with which condition?
• In patients with a history of febrile seizures, what EEG finding is usually expected?
• What do the terms proximal and distal refer to in medical terminology?
• What commonly causes focal intermittent rhythmic delta activity (FIRDA)?
• What is the most common low-grade tumor detected in adults with epilepsy?
• What is a common symptom of myoclonus?
• What is hypnagogic hypersynchrony?
• Which of the following structures is crucial for maintaining cerebrospinal fluid circulation?
• Which class of medications, when given in rapidly increasing dosages, is known for having a strong sedative effect?
• What determines the sharpness of the frequency response curve in EEG equipment?
• What is the typical age range at which patients with Rett syndrome begin to show developmental delays?
• What is the underlying cause of Wernicke's Encephalopathy?
• What is the most common etiology associated with LPDs/PLEDs?
• In terms of anatomy, where is the cingulate cortex located in relation to the corpus callosum?
• What causes a spike or sharp wave in an EEG?
• Which fissure separates the motor cortex from the sensory cortex?
• When the posterior background rhythm does not attenuate with eye opening, it is referred to as what?
• Which factor does NOT typically cause attenuation of the posterior dominant alpha rhythm in normal adults?
• Occipital spikes in response to low frequency flashes are commonly seen in which disease?
• PLEDs on an EEG are indicative of which condition?
• What does the term "scotoma" refer to in medical terminology?
• What is a common effect of lithium on EEG readings?
• Which brain lobe is primarily responsible for visual processing?
• How is a meningioma typically characterized in terms of its spread?
• Lateralized periodic discharges are most likely associated with which condition?
• Through what opening do the lateral ventricles merge with the third ventricle?
• What artery is formed by the joining of the vertebral arteries?
• What condition are Cabal nerve stimulators primarily used to treat?
• An EEG recording showing high-voltage spikes followed by slow waves may indicate which condition?
• Which condition represents an immediate threat to life in the brain?
• Which of the following describes a non-critical infectious instrument?
• In the context of EEG, which term refers to the period after a seizure?
• Which of the following conditions is least likely linked to an increased presence of beta waves on an EEG?
• Which cranial nerve primarily controls ocular movements?
• PLEDs can often indicate which underlying pathology?
• Blood in the cerebrospinal fluid may indicate complications from?
• ACTH is a treatment used for which condition?
• Which term refers to very high voltage, generalized, but anterior-dominant fast activity sometimes found in mental retardation?
• What is decerebrate posturing characterized by?
• In which lobe is the precentral gyrus located?
• Which element is essential for maintaining a healthy level of brain neurotransmitters?
• What outcome does an EEG measure primarily reflect?
• What does the EEG of a very tense and anxious patient typically show?
• In the context of juvenile myoclonic epilepsy (JME), which age range is considered not a risk factor?
• When does the onset of Sturge-Weber disease typically occur?
• What condition is indicated by symptoms such as headache, nuchal rigidity, confusion, and drowsiness?
• To enhance background alpha and beta asymmetry in an EEG with moderately high voltage delta activity, what settings should be adjusted?
• Photic stimulation is most effective in evoking epileptiform abnormalities in patients who have what?
• What condition is characterized by inflammation of the covering of the brain or spinal cord?
• In deepening coma, what is likely to happen to triphasic waves?
• How does the normal EEG of adults aged 70 or older differ from younger adults?
• What potential cause exists for a build-up of slowing minutes after hyperventilation is completed?
• What would be concerning in the background of an EEG of a 65-year-old patient?
• Which term refers to the temporary loss of neurological function due to insufficient blood supply?
• Changes in personality are primarily associated with which lobe of the brain?
• What is a characteristic sign of delta driving in an EEG?
• What condition is characterized by progressive instability, ataxia, and a loss of the ability to walk that develops in adolescence?
• Which of the following can lead to misinterpretation as epileptiform activity in older adults?
• Which brain structure is primarily responsible for speech production?
• Wernicke's area is located in which part of the brain?
• Acoustic neuromas arise on which cranial nerve?
• A high pass filter with a time constant of 0.5 corresponds to what cutoff frequency?
• What medication is used in the treatment of generalized tonic-clonic seizures and commonly in absence epilepsy?
• A patient with right hemiparesis is most likely to have a lesion in which lobe?
• If EEG shows three Hertz spike and wave that are blunt, what condition is likely indicated?
• Which type of therapy utilizes brain's electrical activity to treat depression?
• Damage to Broca's area may lead to which type of language disorder?
• Which condition is characterized by difficulty with motor planning to perform tasks or movements?
• A large lesion at the optic chiasm is most likely to result in what condition?
• What two lobes does the Rolandic gyrus lie between?
• The primary difference between ataxia and apraxia lies in:
• What type of hematoma is formed between the skull and the dura mater?
• Fourteen and six Hz positive spikes are best recorded with what type of reference?
• At what frequency range is photic driving most commonly observed?
• Which medication can cause triphasic waves and periodic discharges on an EEG?
• Which condition is typically associated with the presence of occipital spikes during EEG monitoring?
• What is the term for difficulty in understanding or producing speech?
• In epilepsy, which type of seizure is characterized by brief lapses in consciousness?
• Which progression of seizures is considered rare?
• Homonymous hemianopsia affects which aspect of vision?
• Which artery supplies blood to the anterior and middle cerebral arteries?
• Thrombosis of the right middle cerebral artery would most likely result in what condition?
• Which medical condition is characterized by a loss of motor control and spasticity as a primary symptom?
• A single attenuated channel of EEG may be caused by what factor?
• What EEG finding is considered a focal abnormality?
• What settings could help reduce sweat artifact in a patient with asymmetrical low voltage fast activity?
• How many cranial nerves are known to have both sensory and motor functions?
• What is the most prominent clinical feature of Dilantin toxicity?
• What condition may be indicated by the presence of blood in the cerebrospinal fluid?
• What is the medical term for double vision?
• Which of the following is NOT a typical finding in the EEG of patients aged 70 or older?
• Which electrode might best demonstrate EEG activity associated with focal motor twitching of the right corner of the mouth?
• MU rhythm is primarily recorded in which electrode region?
• What is the most likely association for photic induced epileptiform discharges?
• What dysfunction is indicated by the presence of unilateral Babinski signs?
• What is subdural empyema?
• Which EEG variant might be mistaken for epileptiform activity in adults aged 50 and older?
• What does the unilateral Babinski sign indicate when observed?
• Broca's area is located in which part of the brain?
• Damage to Wernicke's area may lead to which type of aphasia?
• Which neurotransmitter is primarily lacking in the brain of patients with Parkinson's disease?
• What is the significance of recording a patient's maximal awake state in EEG?
• What does fMRI stand for?
• Which component is the primary generator of the EEG?
• Which of the following represents an abnormal EEG pattern?
• What characterizes active sleep in a neonate?
• Which of the following is a symptom associated with damage to Broca's area?
• Which type of seizure begins with the head and eyes turning to one side?
• What is a hallmark feature of the EEG in encephalopathy?
• Which setting adjustment is most beneficial for evaluating high-frequency oscillations?
• How does a normal EEG in adults aged 70 and older compare to younger adults?
• What does EEG stand for in the context of brain activity measurement?
• Which instrumentation setting change is appropriate to enhance cortical slowing?
• Which condition may lead to clearer abnormalities in EEG compared to normal variations?
• Which EEG pattern indicates the worst prognosis in patients with cerebral hemorrhages?
• What is the electrical abnormality associated with breach rhythm in an EEG?
• Which electrode is most suitable for observing activity related to specific motor functions?
• What structure maintains collateral perfusion in the brain?
• What is a crucial part of conducting an EEG evaluation?
• What is the most common ictal correlate of tonic seizures?
• What does localized or lateralized high voltage delta indicate?
• Which phenomenon can occur both prior to sleep onset and after arousal?
• What does agnosia refer to in neurological terms?
• What combination of settings enhances a low voltage slow wave that is masked by muscle activity?
• Which kind of montage would better isolate right hemisphere abnormalities?
• Bilateral anterior beta activity is most likely to occur with which medication?
• What condition is commonly associated with ORDA in children?
• In the context of EEG, what does PLED stand for?
• What EEG finding can suggest a pathology in a neonate's sleep pattern?
• What is a potential consequence of neurocutaneous syndromes related to tumor growth?
• Alpha rhythms recorded at which frequencies may indicate abnormal EEG activity in younger populations?
• Precocious puberty is associated with the pathology of which endocrine structure?
• Who should EEG findings be discussed with according to best practices?
• Subarachnoid hemorrhage is characterized by which of the following?
• What would you typically expect to see in the frontal regions of a normal adult EEG?
• True or False: Myoclonic jerks are common in patients with epilepsy.
• What type of seizures are most common in children and are often associated with fevers?
• What EEG pattern might be expected after rapid eye movement (REM) sleep?
• What type of montage uses source reference derivation?
• What distinguishes a classic migraine headache from a common migraine headache?
• Which activity is not included in the EEG signs of normal drowsiness during stage one sleep?
• What is the significance of altered delta activity in EEG interpretation?
• Bells Palsy is characterized by which of the following?
• What disease is characterized by dementia and "dance-like" movements?
• What structure connects the third ventricle to the fourth ventricle?
• How often does OSHA check for leakage of current in a medical setting?
• What condition is characterized by speech difficulties and seizures that develop in childhood?
• What is a key characteristic that differentiates ataxia from apraxia?
• Which drug is indicated for treating absence seizures?
• An EEG obtained during sleep is particularly valuable for diagnosing which type of seizures?
• What is a common finding in an EEG showing asymmetric photic driving response?
• Which of the following is a potential treatment option for seizures?
• Clinical semiology is primarily used to describe what aspect of patient events?
• Which of the following accurately describes ataxia?
• What is the primary consequence of a narrowed arterial lumen due to atherosclerosis?
• Which medication is expected to increase beta frequency activity in EEG readings?
• Which condition must be ruled out as a cause of electrocerebral inactivity in determining brain death?
• Which condition may lead to a lack of typical alpha pattern in older adult EEGs?
• Which lobe of the brain is the center for intellectual functions such as judgment and problem-solving?
• What effect does increasing sensitivity in EEG instrumentation have?
• What do balanced impedances allow you to maximize?
• Which devices are used to treat both seizures and depression?
• In children, where are most intracranial tumors typically found?
• EEG amplifiers operate on the principles of which two processes?
• How would administering 3 mg of Ativan prior to an EEG recording typically affect the EEG?
• Which term describes a blood clot formed at the site of an atherosclerotic plaque?
• What is the nature of prion diseases?
• A Business Associate Agreement is necessary for what purpose?
• What condition is characterized by sleep-onset REM?
• What are neurocutaneous syndromes characterized by?
• When using the average reference, how can a spike and wave focus at C3 be best enhanced?
• Which clinical signs might indicate a cerebellar hemorrhage?
• How are digital EEG montages reformatted?
• The EEG of a patient with a tumor in the left frontal lobe would most likely show which type of brain activity?
• What frequency range is considered typical for alpha waves in an adult?
• What term describes the increase in magnitude of the input signal by the differential amplifier?
• What characterizes "low voltage fast activity" in EEG readings?
• Which part of the brain receives blood from the posterior cerebral artery?
• Which sleep stage is associated with the predominance of theta activity?
• What is typically seen in the interictal EEG of children with a history of untreated febrile seizures?
• What does the acronym IEDS stand for in relation to EEG waves?
• Which fissure separates the temporal lobe from the frontal lobe?
• An EEG performed two days after a transient ischemic attack is likely to show what type of activity?
• What EEG pattern indicates barbiturate withdrawal?
• What condition is commonly linked with seizures stemming from localized brain lesions?
• What type of aura is associated with Heschl's gyrus?
• Which of the following is an effect of a large lesion near the optic chiasm?
• What is the first clinical sign of Landau-Kleffner Syndrome?
• Which diagnostic tool is commonly used to observe brain activity?
• When a large amount of electrode paste is used for EEG recording, what is the impact on the recording area?
• What would you expect to see on the EEG of a 60-year-old male with new onset dementia and myoclonus?
• Which montage is the best choice for localizing occipital spikes by phase reversal?
• What is the corresponding time constant for a low frequency filter cutoff frequency of 3 Hz?
• What childhood disorder is characterized by acquired aphasia, multifocal epileptiform abnormalities, and focal or generalized seizures?
• What is typically characterized by burst-suppression in an EEG pattern?
• What is a usual diagnostic indication of a subarachnoid hemorrhage?
• In EEG, what type of waves are typically seen in a state of relaxation?
• Which of the following best describes interictal EEG findings?
• According to the 2016 ACNS guidelines, a minimum CMRR is recommended to be:
• What is a common metabolic disorder that can lead to brain dysfunction?
• How can impedance in an EEG context be best described?
• Consciousness is primarily associated with which part of the brain?
• What clinical sign is commonly associated with the middle cerebral artery stroke?
• What is often a primary consideration when evaluating for brain death?
• What type of seizure is not typically associated with Lennox-Gastaut syndrome?
• Which of the following is a common symptom associated with increased intracranial pressure?
• Which of the following best describes acalculia?
• Using a photic stimulator, which flash rate would most commonly activate seizure activity?
• At what age range is hypnagogic hypersynchrony most prominent?
• The central sulcus serves as the anterior boundary of which lobe?
• What syndrome is identified with neurocutaneous involvement?
• What method is used to localize the site of seizure onset by looking for hyperfusion?
• Is an alpha frequency of 9 Hz in O1 and 11.5 Hz in O2 considered abnormal in an adult?
• What does burst-suppression in an EEG indicate about the state of anesthesia?
• Which artery provides the direct blood supply to the occipital lobe?
• Which item should be documented in the patient’s history?
• What is the characteristic of a simple partial seizure?
• What does ADA stand for in the context of EEG?
• What percentage of adults have asymmetrical alpha activity?
• In the context of EEG, what does a shorter time constant typically do?
• Which part of the brain is affected by atrophy in Huntington's disease?
• When evaluating abnormal EEG discharges, what is the most crucial aspect to document?
• Small sharp spikes can be observed in which sleep stages?
• Which blood vessel is most frequently involved in strokes?
• Which condition is associated with a poor prognosis in EEG findings?
• What characterizes the tonic phase of a generalized tonic-clonic seizure on the EEG?
• In which type of patients may sleep spindles be more irregular or of lower voltage?
• Which principle best applies to EEG amplifiers regarding the rejection of noise?
• Which montage would best display the amplitude of a left temporal spike?
• What is the impact of an acute cerebral infarction observed on an EEG?
• What symptom may result from a lesion in the uncus of the brain?
• Which of the following EEG changes is commonly observed in elderly patients?
• Is tuberous sclerosis considered a genetic condition?