ABRET-EEG Questions and Answers 100% Pass

ABRET-EEG Questions and Answers 100% Pass What is the typical presentation of CJD? ataxia, dementia and myoclonus. Tuberous sclerosis tumors or growths in the brain or other organs What is the most important to document in the history of your EEG patient? Skull defects MoyaMoya disease is associated with decreased blood flow to cerebral tissue Papilledema is most common in what condition? Posterior fossa tumor The central sulcus is the anterior boundary of the Parietal lobe PLEDS are most likely to be seen in a patient with cerebral embolus A childhood disorder characterized by acquired aphasia, multifocal epileptiform abnormalities, and focal or generalized seizures: Landau-Kleffner syndrome Reduction of health care associated infections is addressed by National Patient Safety Goals Balanced electrode impedences are important to: lessen 60 hz. interference FT9 or T1 and FT10 or T2 electrodes record from the anterior temporal lobe What type of electricity provides a steady source of current, flowing in one direction only? direct current Impedence can best be described as the resistance to alternating current Ictal during A Business Associate Agreement is required when medical records are shared A lesion of the uncus may result in olfactory hallucinations When testing an outpatient with active Tuberculosis, it is necessary for the patient to wear a mask According to the ABRET Code of Ethics, a credentialed technologist should report to ABRET if: they have been convicted of a felony related to their work in NDT SDS Safety Data Sheet Vagal nerve stimulators are used to treat seizures and depression A violation of ABRET/Code of ethics? Not striving to keep current in the technology What should be documented in the history the patient had dialysis this morning Broca's area lies in the posterior part of the inferior frontal gyrus Ictal EEG time during the event Most closely related to the measurement of voltage in relation to current and resistance? Ohm's law Febrile seizures age-related This occurs with unbalanced electrode impedences of greater than 20kOhms? marked increase in 60 hz. activity What is the most effective way of preventing nosocomial infections? hand hygiene Homonymous hemianopsia loss of the left or right visual field in both eyes Standard of conduct for credentialed technologists? ABRET Code of Ethics Used to treat infantile spasms ACTH Life threatening current could pass through a patient if the machine ground is not intact Focal or unilateral suppression and slowing: subdural hematoma A meningioma is usually encapsulated Indication of the presence of blood in the CSF? subarachnoid hemorrhage The central aspect of using the minimum amount of protected health information needed to accomplish the intended purpose of the use, disclosure, or request is a part of what Act? HIPAA A patient with a right hemiparesis most likely has a lesion of the left frontal lobe According to OSHA, when most electroneurodiagnostic equipment be checked for leakage current, ground resistance and electrical safety? Semiannually The onset of Sturge-Weber disease is typically during Infancy Scotoma area of visual loss ACTH Infantile spasms A stat EEG has been ordered on a women who experienced a GTC seizure. She is confused. While the tech. is running a baseline, a man enters claiming to be her husband. If he asks about the record the tech. should? ask the man to wait for a physician to speak to him Photic driving is most common in what frequency? alpha Photic stimulation should be performed? While awake What activity does NOT typically cause attenuation of PDR in a normal adult. relaxed wakefulness with eyes closed What type of response to PS is characterized by generalized spike and wave discharges continuing after the flash? ... An asymmetric photic driving response right greater than left is: Normal When using photic stimulation the flash rate that commonly activates a seizure is? 9-13hz. Atypical Photic response? delta driving An EEG obtained during sleep is most valuable in what condition? Focal seizures or status during sleep A 7 year old presents with spells of spacing out. What activation procedure is the most important? Hyperventilation During HV, a 9 y/o pt. develops generalized 100-300 microvolts slowing. If within 30 seconds post HV, the record returns to preHV state the reaction would be? a normal response to HV Hyperventilation Hypocapnia A subharmonic photic driving response is? half the frequency of the strobe What is a contraindication of for HV? Sickle cell anemia What procedure is a non-standard activation? Listening to music PS is most effective in evoking epileptiform abnormalities in patient's with? a family history of seizures What other EEG pattern would you expect to see in a pt. with prominent photic driving response? LAMBDA Photic induced epileptiform discharges are most likely associated with barbiturate withdrawl What could be the cause for a build up of slowing several minutes after HV has been completed? Moya Moya Abnormal presentation to photic stimulation. photoparoxysmal What activation procedure should be avoided in a patient with intracranial hemorrhage? Hyperventilation Photoparoxysmal response EEG response to light with spikes, spike and wave discharges and/or intermittent slow waves An EEG shows eye blink and muscle artifact. What is likely the state of the patient? Awake What is the first thing that should be done when trying to eliminate 60hz. artifact? attempting to eliminate the technical issue Sweat artifact is severely obscuring the EEG. What is the first step the technologist should take to eliminate the artifact? cool the patient down by removing the patient's blanket and fanning them. Glossokinetic Artifact Biological Sweat artifact slow deflection Glossokinetic tongue movement What is the name of the artifact that appears as a prominent R wave with positivity over the left posterior quadrant of the head and can resemble a spike? ECG artifact Eye movement artifact Vertical eye movements are seen over FP1 and FP2 while horizontal eye movements are seen over F7 and F8. Using the International 10/20 system, if the distance from nasion to inion is 34 cm, What is the distance from Fz to Oz? 20.4cm Tuberous sclerosis genetic What is the typical presentation of CJD? progressive dementia, bilateral ridigity, myoclonus, stupor and death Characterized by dementia, myoclonus and biphasic or triphasic repetitive discharges? CJD If the distance from the right preauricular to the right outer canthus is measures 9cm, where should electrode T2 be placed? 3cm out from the preauricular and 1cm up FT9 or T1 and F10 or T2 record from the anterior temporal lobe If the nasion to inion measurement is 40cm, what is the distance between Cz and Pz? 8cm When a large amount of paste is used to hold down an electrode, the total recording area will be? total scalp surface area of the paste The onset of Surge Weber's? Infancy Moya Moya disease is associated with: decreased blood flow to cerebral tissue When would a normal EEG be expected? MS While performing an EEG, C4 is moved 1cm posteriorly. What else should the tech. do? Move C3 1cm posteriorly If a patient has a circumference of 55cm, which of the following interelectrode distances can be calculated? O1-O2 What electrodes gives the least distortion of low frequencies? silver-silver chloride Balanced electrode impedance is important to? lessen 60 hz interference Balanced impedance allows you to? maximize common mode rejection Impedance can be best described as? resistance to alternating current Extremely low voltage due to phase cancellation may be caused by? salt bridge What occurs with unbalanced electrode impedance greater than 20km? marked increase in 60hz acitivity What measures the opposition to current flow when a known voltage is applied? Impedance meter EEG is most useful in encephalopathy Impedance is the resistance of a part of a circuit passage of? altering current Short interelectrode distance between electrodes will cause what change to the EEG waveform? decrease amplitude Broken lead wire during recording requires replacement What is activity is prominent in T4? electrode pop What should be your first reaction to 60hz artifact in one electrode? check electrode impedence What physiological artifact is in the sample? EKG artifact Artifact that is caused by movement of people near the patient? electrostatic artifact 60 hz. filter notch filter