EEG board prep 2023 with 100% correct questions and answers

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? a. axonal action potentials b. cortical layers 1 and 2 c. horizontal dipoles d. excitatory and inhibitory postsynaptic potentials d. epsps and IPSps when is it permissible to release patient information to a third party? a. when requested by another physician b. when a patient provides verbal consent c. when it is in the best interest of the patient d. when the patient provides written consent d. when patient provides written consent a business associate agreement is required when: a. medical records are handled in the department b. medical records are shared c. staff work for more than one healthcare entity d. a new staff member is hired alrecords Used in treatment for only generalized seizures, commonly in absence epilepsy treatment; a. Ethosuximide b. Phenobarbital c. Dilantin d. ACTH a. ethosuximide The acronym used to describe distinctive EEG waves or complexes that occur between seizures and are distinguished from the backround activity; a. NCSE (non conclusive status epilepticus) b. FIRDA ( frontal intermittent rhythmic delta activity) c. GPEDS (generalized periodic epileptiform discharges) d. IEDs ( interictal epileptiform discharges) IED's interictal epileptiform discharges (d.) ICTAL EEG a. time during the event b. time following an event c. time before the event d. time in between the event a. time during the event which of the following is an effect of phenobarbital on the EEG? a. slows alpha rhythm b. increases paroxysmal activity c. decreases theta activity d. increases beta activity d. increases beta activity A technologist should only discuss EEG findings with: a. consulting neurologist b. the interpreting electroencephalographer c. the patients nurse d. the patients primary care physician b. the interpreting electroencephalographer The third ventricle is connected to the fourth ventricle by the; a. foramen of luschka b. foramen magnum c. aqueduct of sylvius d. foramen of munro c. aqueduct of sylvius What type of seizure is NOT associated with lennox-gastaut syndrome? a. atonic seizure b. tonic seizure c. complex seizure d. atypical seizure c. complex seizure A childhood disorder characterized by acquired aphasia, multifocal epileptiform abnormalities, and focal or genralized seizures; a. juvenile myoclonic epilepsy b. Lennox-Gastaut syndrome c. Landau-kleffner syndrome d. west syndrome c. landau-kleffner syndrome What is the typical clinical presentation of creutzfeldt-jakob disease? Progressive dementia, bilateral rigidity and myoclonus, stupor and death Which of the following measures the opposition to current flow when a known voltage is applied? a. fast fourier transform b. impedance meter c. differential amplifier d. a/d converter b. impedance meter A meningioma is usually a. metastatic b. encapsulated c. infiltrating d. rapid growth sulated Wernicke's area lies in the: a. posterior part of the superior temporal gyrus b. posterior part of the inferior temporal gyrus c. posterior part of the parietal lobe d. posterior part of the inferior frontal gyrus a. posterior part of the superior temporal gyrus Which of the following is the most likely explanation for the generation of EEG activity? both epsps and ipsps Which of the following may be indicated by the presence of blood in the cerebrospinal fluid? a. subarachnoid hemorrhage b. localzied intracerebral hemorrhage with no communication with ventricles c. extradural hemorrhage d. subdural hemorrhage a. subarachnoid hemorrhage Sturge-weber syndrome: a. basal nucei degeneration b. V111 cranial nerve involvement c. Neurocutaneous involvement d. cherry red spot in macula of the eye c. neurocutaneous involvement Rolandic gyrus Frontal and parietal lobes Which of the following is grounds for disciplinary action according to ABRET's code of ethics? a. being found to have been ineligible to take the credentialing exam, even if the credential has already been earned b. refusing primary responsibility for interpretation of a study c. not identifying oneself as credentialed d. not using the credential after it has been earned a. being found to have been ineligible to take the credentialing exam, even if the credential has already been earned. Acoustic neuromas arise on the following cranial nerve: CN V111 Subacute Panencephalitis SSPE is caused from what disease? Measles If a patient has a stroke involving the basilar artery, what clinical signs are expected to be seen? a. apraxia b. global aphasia c. quadriplegia d. diplopia D. diplopia where do most brain tumors occur in children? a. frontal lobe b. temporal lobe c. posterior fossa d. anterior fossa Posterior fossa (c.) According to the abret code of ethics, a credentialed technologist should report to abret if; a. they lose their certificate b. they have been convicted of a felony related to their work in neuordiagnostics. c. they received poor performance review from their employer d. they have not been keeping current in their primary field of employement. b. they have been convicted of a felony related to their work in neurodiagnostics The most common site of brain tumors in children is the ? a. third ventricle b. meninges c. middle fossa d. posterior fossa d. posterior fossa Which of the following is often caused by prolonged severe cerebral anoxia? a. appearance of posts b. burst suppression activity c. increase in voltage of the mu rhythm d. increase in the frequency of the alpha rhythm b. burst suppression The occipital lobe receives its blood supply directly from which artery? a. posterior cerebral b. middle cerebral c. posterior cerebellar d. internal coratid a. posterior cerebral Focal or unilateral suppression and slowing: a. generalized seizure disorder b. drowsiness in an elderly patient c. subdural hematoma d. renal failure c. subdural hematoma The posterior cerebral artery supplies blood to the: a. frontal lobe b. visual cortex c. temporal lobe d. lateral surface of the brain b. visual cortex Treatment for infantile spasms; Adrenocorticotrophic hormone ACTH Atonic a. stiffness b. loss of muscle tone c. jerking d. rhythmic jerking b. loss of muscle tone Which of the following is a violation of ABRETS code of ethics a. teaching other technologists without proper credentials b. being disrespectful to co-workers c. not joining a professional organization d. not striving to keep current in the technology a. teaching other technologists without proper creds Proximal Nearer to the trunk of the body Precentral gyrus frontal lobe, primary motor cortex what is the most common low-graded tumor detected in adults with epilepsy; a. menengioma b. astrocytoma c. carcinoma d. sarcoma ... SDS Safety Data Sheet The fissure that separates the temporal lobe from the frontal sylvian What is the most effective means of preventing nosocomial infections? hand hygiene Periodic lateralized epileptiform discharges are most likely associated with: a. metabolic encephalopathy b. generalized tonic-clonic seizures c. herpes simplex encephalitis d. atypical absence seizures c. herpes simplex encephalitis The central sulcus is the anterior boundary of the ? parietal lobe which of the following EEG findings indicates the worst prognosis in patients with cerebral hemorrhages? a. polymorphic delta activity b. sharp waves c. spikes d. burst suppression d. burst suppression which of the following is an immediate threat to life? a. arachnoiditis b. multiple sclerosis c. epidural hematoma d. chronic subdural hematoma c. epidural hematoma The main difference between simple partial and complex partial is: a. preservation of consciousness motor activity c. autonomic activity d. anatomic location a. preservation consciousness Jacknife seizures west syndrome The etiology MOST commonly associated with LPDs/PLEDS is what? a. anoxic injury b. ischemic stroke c. brain tumors d. intracranial hemorrhage a. anoxic injury Which electrode type gives the LEAST distrotion of low frequencies? a. gold b. stainless steel c. platinum d. silver-silver chloride ... What is the value of EEG in psychiatric disorders? a. rule out seizures b. rule out brain tumors c. diagnose psychiatric disorders d. evaluate effectiveness of medication a. rule out seizures Damage to broca's area may result in? expressive aphasia Gelastic epilepsy laughing scotoma a. retinal inflammation b. increase in intraocular pressure c. scieral tumor d. area of visual loss b. increase in intraocular pressure Once EEG data is acquired there is an expectation that the information will be protected. this means: all staff are accountable for protecting the patient confidentiality cranial nerves; a. four have both sensory and motor functions b. two have both sensory and motor functions c. six have both sensory and motor function d. all have both sensory and motor functions a. four have both sensory and motor functions fMRI a. flouriscopic MRI b. functional MRI c. filtered MRI d. focused MRI ... Deja vu a. focal motor seizure b. generalized tonic clonic seizure c. absence seizure d. focal seizure ... which artery is formed by the joining of the vertebral arteries? basilar Heschl's gyrus auditory aura Changes in personality are most likely associated with tumors of the ? a. occipital lobe b. temporal lobe c. frontal lobe d. parietal lobe c. frontal lobe Blood for the anterior and middle cerebral arteries is supplied by what artery? a. basilar b. internal coratid c. vertebral d. external coratid b. internal coratid Reduction of health care -associated infections is addressed by a. hippa b. Acns guidelines c. cms d. national patient safety goals d. national patient safety goals impedance is the resistance of a part of the circuit to the passage of? a. direct current b. leakage current c. alternating current d. direct or alternating current c. alternating current In evaluating abnormal EEG discharges it is most important to document; a. last meal and handedness b. heart rate and blood pressure c. current meds and dosages d. level of consciousness and movements d. level of consciousness and movements EEG is most useful in a. acoustic neuroma b. migraine c. cardiac arrhythmia d. encephalopathy d. encephalopathy febrile seizures Seizures that result from sudden high fevers, particularly in children. which of the following blood vessels is most frequently involved in strokes? a. anterior cerebral artery b. posterior communicating artery c. posterior cerebral artery d. middle cerebral artery d. middle cerebral artery which of the following is most characteristic of creutzfeldt-jakob disease: a. hemiparesis b. tardive dyskinesia c. bradykinesia d. myoclonus d. myoclonus which of the following should be documented in pt history? a. the patient donated blood prior to the EEG b. the patient is nauseated c. the patient did not sleep during the recording d. the patient had dialysis this morning d. pt had dialysis this morning Through which opening do the lateral ventricles merge with the third ventricle? foramen of monro The medulla controls; respiration and heart rate extremely low voltage due to phase cancellation may be caused by: salt bridge Vagal nerve stimulators are used to treat: a. headaches b. pain syndromes c. seizure and depression d. tumors c. seizure and depression Ruptured aneurysm with headache, nuchal rigidity, confusion and drowsiness; a. cortical dysplasia b. complicated migraine c. subarachnoid hemorrhage d. subdural hemtoma c. subarachnoid hemorrhage a seizure characterized by turning of the head, eyes and trunk in a single direction is usually caused by a focus in the: a. thalamus on the contralateral side to the direction of body turns b. frontal lobe on the contralateral side tot he direction the body turns. c. frontal lobe on the ipsilateral side to the direction the body turns d. parietal lobe on the ispilateral side the the direction the body turns. b. frontal lobe on the contralateral side to the direction the body turns. which progression is considered rare? A. absence to tonic clonic B. rolandic to absence C. West syndrome to Lennox-gastaut D. Complex partial to generalized B. rolandic to absence Expressive asphasia may result in damage to? Broca's area A large lesion at the optic chiasm produces? cortical blindess The EEG of a patient with a tumor in the left frontal lobe would most likely show? Left frontal polymorphic delta The most important source generator of the EEG is? Pyramidal dendritic PSP's The third ventricle is connected to the fourth ventricle through? aqueduct of sylvius Which of the following begins with the head and eyes turning to one side? a. focal sensory seizure b. absence seizure c. adversive seizure d. myoclonic seizure c. adversive seizure What is indicated by the presence of unilateral babinski signs? a. tic douloureux b. pyramidal tract dysfunction c. homonymous hemianopsia d. cerebellar dysfunction b. pyramidal tract dysfunction Decorticate posturing bilateral flexion at the elbows In evaluating abnormal EEG discharges it is most important to document? level of consciousness and movements what is the value of EEG in psychiatric disorders? Rule out seizures Which of the following is most closely related to the measurement of voltage in relation to current and resistance? a. nyquist theory b. ohm's law c. coulombs law d. Paley-winer therorem b. ohms law scotoma a. scleral tumor b. retinal inflammation c. area of visual loss d. increase in intraocular pressure area of visual loss (c) Which artery is formed by joining of the vertebral arteries? Basilar Inflammation of the covering of the brain or spinal cord: Meningitis First clinical sign of landau-kleffner syndrome (LKS) a. dysarthria b. aphasia c. dysphasia d. dyspraxia a. dysarthria Which of the following blood vessels is most frequently involved in strokes? a. posterior cerebral artery b. posterior communicating artery c. middle cerebral artery d. anterior cerebral artery c. middle cerebral artery which of the following should be documented in the history? a. the patient had dialysis this morning b. the patient is nauseated c. the patient donated blood prior to the EEG d. the patient did not sleep during the recording a. the patient had dialysis this morning Used treatment of infantile spasms acth Atonic loss of muscle tone Periodic lateralized epileptiform discharges are most likely associated with a. metabolic encephalopathy b. atypical absence seizures c. generalized tonic clonic seizures d. herpes simplex encephalitis d. herpes simplex encephalitis single attenuated channel of EEG may be the result of? a. low input impedance b. Inter-electrode spacing too close c. 60 cycle interference d. inter-electrode spacing too distant b. inter-electrode spacing too close EEG is most useful in a. acoustic neuroma b. encephalopathy c. migraine d. cardiac arrhythmia b. encephalopathy Which of the following tumors is least likely to cause epileptiform activity in an EEG? a. metastic carcinoma b. pituitary adenoma c. glioblastoma multiforme d. astrocytoma b. pituitary adenoma Which is most important to document in the history of your EEG patient? a. skull defects b. neuropathy c. presence of sleep apnea d. last surgery a. skull defects The onset of sturge-weber disease is typically during: a. infancy b. adulthood c. adolescence d. elderly a. infancy Deja Vu a. absence seizure b. focal motor seizure c. focal seizure d. generalized tonic clonic seizure c. focal seizure Moya moya disease is associated with: a. metabolism b. decreased blood flow to cerebral tissue c. cerebral lesions d. calcifications in the brain b. decreased blood flow to cerebral tissue Once EEG data is acquired there is an expectation that the information will be protected. This means a. patients may never have access to the raw data b. all staff are accountable for protecting the patient confidentiality c. only the medical director can remove data files from the department. d. the viewing of the data is restricted to neurologists. b. all staff are accountable for protecting the patient confidentiality a seizure characterized by turning of the head, eyes and trunk in a single direction is usually caused by a focus in the? a. thalamus on the contralateral side to the direction the body turns b. frontal lobe on the ipsilateral side to the direction the body turns c. parietal lobe on the ipsilateral side to the direction the body turns. d. frontal lobe on the contralateral side to the direction the body turns. d. frontal lobe on the contralateral side to the direction the body turns HIPAA Health Insurance Portability and Accountability Act legislative act regulating patient privacy This study would be useful for acute head trauma a. ncs b. ct c. pet d. x-ray b. ct using the international 10-20 electrode placements, if the distance from nasion to inion is 34 cm, what is the distance from Fz to Oz a. 20.4cm b. 27.2cm c. 30.6cm d. 23.8cm c. 30.6 cm Cruetzfeldt-Jakob disease a. spike and wave complex b. periodic sharp waves c. polyspike complex d. multifocal sharp wave periodic sharp waves (b) Which cranial nerves are involved with eye movement? CN III CN IV CN VI Which of the following is the most appropriate test for determining cerebral dominance? a. eeg b. evoked potentials c. computerized axial tomography d. intracarotid sodium amytal (wada) d. intracarotid sodium amytal homonymous hemianopsia a. loss of the inferior visual field b. loss of the left visual field in one eye c. loss of the left or right visual field in both eyes d. loss of peripheral vision c. loss of the left or right visual field in both eyes When testing an outpatient with active tuberculosis, it is necessary for the patient to: a. patient to wear a mask b. recording room to have negative flow c. technologist to wear a mask d. instrument to be covered with a sterile drape a. patient to wear a mask PLEDS a. acute cerebral infarction b. CJD c. Meningitis d. metabolic disease b. cjd which of the following is most likely to be associated with a normal EEG; a. cerebellar abscess b. left frontal subdural hematoma c. left frontal abscess d. acoustic neuroma a. cerebellar abscess FT9 or T1 and FT10 or T2 electrodes record from the a. spheniod sinuses b. anterior temporal lobe c. posterior temporal lobe d. nasopharynx b. anterior temporal lobe What is the difference between classic migraine and common migraine? a. common migraine headache always has an abnormal associated eeg b. a common migraine headache has an associated aura whereas a classical migraine headache does not c. a classic migraine headache has an associated aura whereas a common migraine does not d. a classical migraine headache always has an abnormal associated EEG c. a classic migraine headache has an associated aura where as a common migraine does not The posterior cerebral artery supplies blood to the : a. lateral surface of the brain b. temporal lobe c. frontal lobe d. visual cortex d. visual cortex short interelectrode distance between electrodes will cause which of the following changes to the EEG waveform. a. increase amplitude b. decrease amplitude c. increase frequency d. decrease frequency b. decrease amplitude What seperates the sensory from the motor cortex? rolandic fissure used to localize site of seizure onset by looking for area of hyperperfusion. a. MRI b. ictal spect c. interictal pet d. ct b. ictal spect which of the following is an immediate threat to life? a. epidural hematoma b. multiple sclerosis c. arachnoidits d. chronic subdural hematoma a. epidural hematoma A disease occurring only in females characterized by normal developement until six to eighteen months of age, after which there is a quick deterioration of mental abilites: a. tay sachs disease b. Rett syndrome c. lennox-gastaut syndrome d. rasmussens' encephalitis b rett sybdrome What is the cause of wernickes encephalopathy? thiamine deficiency Where is the cingulate cortex located in relation to the corpus collosum? superiorly Precocious puberty is associated with pathology of the? hypothalamus Given a voltage of 50 micovolts and a sensitivity of 10 microvolts/mm, what is the amplitude? a. 5mm b. 5uv/mm c. 0.2 uv/mm d. 0.2 mm a. 5mm