ABRET Exam (Latest Update) Verified Questions and Answers (Already GRADED A).

..ABRET Exam (Latest Update) Verified Questions and Answers (Already GRADED A). Question: Calibration is required a. at the start of the recording b. at the end of the recording c. at the start and end of the recording d. only when Sensitivity changes are made during the recording c. at the start and end of the recording Question: Duration is measured in a. Hertz b. Millimeters c. Microvolts d. Milliseconds d. Milliseconds Question: If the duration of a wave is .2 seconds the frequency would be? a. 1 Hz b. 2 Hz c. 5 Hz d. 10 Hz c. 5 Hz Question: Which LF would best demonstrate focal delta activity appearing in the left fronto-temporal region? a. 5 Hz b. 3 Hz c. 1 Hz d. .3 Hz d. .3 Hz Question: Which filter would most attenuate focal delta activity? a. LF 5 Hz b. LF .3 Hz c. HF 70 Hz d. HF 15 Hz a. LF 5 Hz Question: A sharp wave has a duration of a. 200 ms b. 70 -200 ms c. 70 ms d. 20 ms b. 70 -200 ms Question: If the duration of a wave is 400ms, what is the frequency? a. .4 Hz b. 2.5 hz c. 4 Hz d. 6.26 Hz b. 2.5 hz Question: The _______ states that you must sample at a rate that is at least twice the frequency of the fastest waveforms you want to resolve. a. Nyquist Theorum b. A to D converter c. Dwell time d. sampling rate a. Nyquist Theorum Question: In a baby born full term, Sleep Spindles should be present by the age of a. 6 weeks b. 6 months c. 1 year d. 5 years a. 6 weeks Question: When asked for a description of the background activity you would count the frequency of of the activity in the __________ regions. a. Frontal b. Central c. Parietal d. Occipital d. Occipital Question: A 10 Hz wave has a duration of a. 100 ms b. 200 ms c. 400 ms d. 1,000 ms a. 100 ms Question: While recording an EEG your patient has a generalized Tonic-Clonic seizure. What should you do? a. Call a code b. place a tongue depressor in the patient's mouth c. turn the EEG machine off d. roll the patient on their side, insure an open airway and loosen any tight clothing d. roll the patient on their side, insure an open airway and loosen any tight clothing Question: ______ is calculated by multiplying the Sensitivity by the amplitude of a wave. a. Duration b. Frequency c. Voltage d. Amplitude c. Voltage Question: Cerebral Spinal fluid is manufactured in the a. choriod plexus of the lateral ventricles b. 4th ventricle c. temporal lobe d. vertebral arteries a. choriod plexus of the lateral ventricles Question: If input I is relatively more positive than input 2 the pen will a. deflect up b. deflect down c. will remain flat d. will deflect up and down at the same time b. deflect down Question: A slow wave has a duration of a. 200 ms b. 70 -200 ms c. 70 ms d. 20 ms a. 200 ms Question: Which one of the following reflexes is characterized by extension of the big toe and fanning and extension of the the remaining toes after stimulating the plantar surface of the foot? a. Pinprick b. Babinski reflex c. Rhomberg reflex d. Patellar reflex b. Babinski reflex Question: Which filter is referred to as a "low pass" filter? a. High Frequency Filter b. Low Frequency Filter c. 60 Hz filter a. High Frequency Filter Question: In a baby born full term, Sleep Spindles should be symmetrical by the age of a. 6 weeks b. 6 months c. 1 year d. 5 years c. 1 year Question: When recording for suspected cerebral silence electrode pairs should be at least what distance apart? a. 1 cm b. 5 cm c. 10 cm d. 15 cm c. 10 cm Question: ______ is seen in drowsiness at a frequency of 4-7 Hz. a. alpha b. beta c. theta d. delta c. theta Question: This pattern is seen in the normal premature neonate during quiet sleep and is described as high voltage slowing lasting 1-3 seconds followed by periods of relative suppression. a. Active Sleep b. Frontal Sharp Transients c. Trace Alternant d. Delta Brushes c. Trace Alternant Question: Which artery supplies blood to the lateral frontal lobe, the lateral temporal lobe, and the lateral parietal lobe? a. Basilar b. Anterior Cerebral Artery c. Posterior Cerebral Artery d. Middle Cerebral Artery d. Middle Cerebral Artery Question: What is known as a developmental abnormality consisting of a tangle of dilated blood vessels forming abnormal communication between arterial and venous systems? a. hypoxia b. aneurysm c. arteriovenous malformation d. sickle-cell anemia c. arteriovenous malformation Question: A slow wave having three phases +,-,+ or -, +,- and that is seen in a variety of metabolic disorders is a. Triphaisc b. Complex c. Transient d. Sharp a. Triphaisc Question: ____________ is calculated by taking the width of the wave in mm and dividing by the paper speed. a. Duration b. Frequency c. Voltage d. Amplitude a. Duration Question: Which High Pass Filter would attenuate a .5 Hz Delta wave? a. LF .1 Hz b. LF 5 Hz c. HF 35 Hz d. HF 70 Hz b. LF 5 Hz Question: This pattern is seen as sharp waves in the posterior head regions when the patient is visually scanning an object. a. MU b. POSTS c. Lambda d. Sleep Spindles c. Lambda Question: ______ is 1 divided by the the duration of the wave in seconds. a. Duration b. Frequency c. Voltage d. Amplitude b. Frequency Question: What is the innermost layer of the meninges? a. dura mater b. sub-arachnoid c. pia mater d. arachnoid c. pia mater Question: What is the basic functional and structural unit of the nervous system? a. neuron b. myelin sheath c. electron d. axon a. neuron Question: Which filter would be the most appropriate to use when you have excessive muscle activity on the EEG? a. 60 Hz b. 70 Hz c. 35 Hz d. 10 Hz c. 35 Hz Question: Which artery provides blood supply to the left lateral surface of the brain? a. Left Middle Cerebral artery b. Right Middle Cerebral artery c. Anterior communicating artery d. Posterior communicating artery a. Left Middle Cerebral artery Question: What affect would changing the HF from 7O Hz to 30 Hz have on a spike and wave complex? a. no affect b. will decrease the frequency of the spike and wave complex c. will decresae the amplitude of the slow wave d. will decrease the amplitude of the spike d. will decrease the amplitude of the spike Question: How would a LF of 5 Hz affect the frequency of a 2 Hz wave? a. decrease the frequency b. increase the frequency c. have no affect on the frequency c. have no affect on the frequency Question: Sleep Spindles are seen centrally at a frequency of a. 4-7 Hz b. 7-11 Hz c. 12-14 Hz d. Greater than 13 Hz c. 12-14 Hz Question: What separates the sensory and motor strips of the brain? a. precentral sulcus b. central sulcus c. superior temporal sulcus d. inferior frontal sulcus b. central sulcus Question: If the frequency of a wave is 1/2 Hz the duration would be a. 100 ms b. 1,000 ms c. 2,000 ms d. 3,000 ms e. 4,000 ms c. 2,000 ms Question: Horizontal resolution is dependent upon a. timebase b. data points c. sampling rate d. none of the above e. all of the above e. all of the above Question: If the impedance of P4 is 10,000 ohms the technologist should a. do nothing this is an acceptable impedance b. Scratch P4 or reapply to lower the elecrode impedance c. turn the 60 Hz filter on to decrease the impedance d. change the LF from 1 Hz to .53 Hz b. Scratch P4 or reapply to lower the electrode impedance Question: Which "Low Pass" filter would least attenuate muscle activity? a. HF 15 Hz b. HF 35 Hz c. LF 1 Hz d. LF .3 Hz b. HF 35 Hz Question: If your patient has skull defects that limit your ability to place your EEG recording electrodes in accordance with the International 10-20 System of Electrode Placement, what must you do on your record? a. diagram the deformity on separate paper and attach it to the record b. notate where the head bandages are located c. END technologist must describe skull defects and sketch them diagrammatically d. do nothing and submit record c. END technologist must describe skull defects and sketch them diagrammatically Question: The duration of a spike is a. less than 70 ms b. 70 - 200 ms c. 200-300 ms d. greater than 300 ms a. less than 70 ms Question: A spike that has a frequency of 16 Hz has a duration of a. .06 seconds b. .6 seconds c. .6 milliseconds d. 600 milliseconds a. .06 seconds Question: Which filter is referred to as a "Low Pass" filter? a. 60 hz filter b. Rapid Roll Off Filter c. Low Filter d. High Filter d. High Filter Question: A rapidly developing focal neurologic deficit resulting from ischemia but persisting less than 24 hours is known as ___________. a. lacunar stroke b. thromboembolic stroke c. hemorrhagic stroke d. transient ischemic attack d. transient ischemic attack Question: Digital EEG has many advantages incuding a. the ability to change the display of the recorded activity post recording b. continuous long term recording without the presence of a technologist c. ability to transmit data to a distant reviewer site d. all of the above are advantages of digital EEG recording d. all of the above are advantages of digital EEG recording Question: If input I is relatively more negative than input 2 the pen will a. deflect up b. deflect down c. will remain flat d. go up and down at the same time a. deflect up Question: If the right parasagital measurement from Fp2 to 02 measures 24 cm, what is the distance from Fp2 to P4? a. 6 cm b. 9 cm c. 12 cm d. 18 cm d. 18 cm Question: Eye movements are typically seen in which electrodes? a. Frontal b. Occipital c. Temporal d. Parietal a. Frontal Question: In order to test the integrity of the entire recording system which method below would be most appropriate? a. checking electrode impedances b. performing machine calibration at the start and end of the recording c. performing biological calibration at the start and end of the recording d. touching each individual electrode at the start of the recording d. touching each individual electrode at the start of the recording Question: Which normal pattern is seen in children associated with sleep onset? a. HV Buildup b. Hypnogogic Hypersynchrony c. Trace' Alternant d. Quiet Sleep b. Hypnogogic Hypersynchrony Question: Intracranial bleeding may occur secondary to head trauma. What type of condition exists when blood collects between the dura and arachnoid layers of the meninges? a. post-traumatic syndrome b. laceration c. subdural hematoma d. extradural hematoma c. subdural hematoma Question: Activity that occurs without interruption would best be described as a. Continuous b. Periodic c. Lateralized d. Generalized a. Continuous Question: Tissue destruction due to a lack of blood supply is known as ________. a. dysarthria b. ischemia c. infarction d. hemiplegia c. infarction Question: ____________ is expressed in cycles per sec(CPS) or Hertz (Hz) a. Frequency b. Voltage c. Sensitivity d. Duration a. Frequency Question: If input I is -50 uv and Input II is 100 uv, what is the potential difference and which direction would the activity move? a. 150, up b. 150, down c. 50, up d. 50, down a. 150, up Question: Which montage would best demonstrate an amplitude difference in the occipital channels? a. Anteriror to Posterior Chain (Double Banana) b. Ipsilateral Reference c. Transverse d. Contralateral Reference d. Contralateral Reference Question: Described as 7 -11 Hz activity seen in the central regions of alert awakes adults. a. Lambda b. Mu c. Alpha d. Trace' Alternant b. Mu Question: Which filter is used to eliminate artifact caused by electrical interference? a. 10 Hz b. 15 Hz c. 35 Hz d. 60 Hz e. 70 Hz d. 60 Hz Question: Which is the least sensitive recording sensitivity? a. 70 uv/mm b. 50 uv/mm c. 10 uv/mm d. 1 uv/mm a. 70 uv/mm Question: ________ is seen the occipital regions of an alert, relaxed adult. a. alpha b. beta c. theta d. delta a. alpha Question: Which cranial nerve is responsible for swallowing, taste, visceral sensory, and salivation? a. trochlear b. vagus c. hypoglossal d. glossopharyngeal d. glossopharyngeal Question: Which pattern is typically seen a variety of metabolic disturbances? a. Generalized Triphasic Waves b. Benign Fronto-central spikes c. Rhythmic Midtemporal Discharges d. Mu a. Generalized Triphasic Waves Question: Which of the following is a violation of the ABRET Code of Ethics? a. providing a physician from the ICU with an interpretation of the EEG you just recorded. b. using the R.EEG T. credential after passing Part I of the ABRET written EEG exam. c. writing down questions from the ABRET exam after the exam and sharing with your co-workers. d. all of the above are violations of the ABRET code of ethics. d. all of the above are violations of the ABRET code of ethics. Question: Stage I sleep (N1) a. is considered the transition from wakefulness to sleep b. is characterized by an increase in theta activity c. shows slow rolling eye movements d. can have vertex waves e. all of the above e. all of the above Question: _______________ is the misrepresentation of signals as the result of low sampling rate. The under sampling causes faster frequencies to appear incorrectly as slower frequencies in the recording. a. Sampling skew b. Sampling Rate c. Aliasing d. Dwell time c. Aliasing Question: If a patient's tongue deviates toward the right upon neurologic examination, what does this suggest? a. contralateral weakness of the facial muscles b. bilateral hypoglossal nerve lesion c. right sided hypoglossal nerve lesion d. right sided trigeminal nerve lesion c. right sided hypoglossal nerve lesion Question: Cranial nerve function is an important part of the neurologic examination. If you have a patient presenting with ptosis and dilated pupils that are unreactive to light, which cranial nerve in involved? a. abducens (VI) b. oculomotor nerve (III) c. trigeminal nerve (V) d. facial nerve (VII) b. oculomotor nerve (III) Question: While recording an EEG on a patient with recent stroke you see subtle slowing in the right posterior temporal regions. You are recording at standard recording settings. Which instrument changes would best demonstrate this activity? a. Change LF to .53 Hz and display epoch to 5 seconds/ page b. Change LF to .3 Hz and display epoch to 20 seconds/page c. Change HF to 35 Hz and then change Sensitivity to 5 uv/mm d. Change HF to 15 Hz and then change Sensitivty to 10 uv/mm b. Change LF to .3 Hz and display epoch to 20 seconds/page Question: Stage II Sleep (N2) a. Begins with the appearance of 20-50% delta activity b. is characterized by the appearance of sleep spindles and K-complexes c. is a pattern seen beginning at age 24 weeks conceptional age d. begins as temporal alpha and spread to the central regions b. is characterized by the appearance of sleep spindles and K-complexes Question: This activity is described as standing out from the background and it comes and goes, a. Triphaisc b. Complex c. Transient d. Sharp c. Transient Question: If the duration of a wave is .5 seconds the frequency would be? a. 1 Hz b. 2 Hz c. 5 Hz d. 10 Hz b. 2 Hz __________ is measured in microvolts (uV). a. Frequency b. Voltage c. Sensitivity d. Duration b. Voltage The expected response to this activation procedure causes alpha to attenuate and then accentuate. a. Photic Stimulation b. Hyperventilation c. Eye Opening and Eye closure d. Sleep c. Eye Opening and Eye closure Differential amplifiers a. take ithe information from 2 electrdoe inputs, amplify thier differences and the output the information to the screen b. take information from 2 derivations and output the combination of the 2 signals c. if perfrectly matched the signal having the same phase, polarity and amplitude will result in 100% amplification of the signals d. are only used in analog EEG recording. a. take ithe information from 2 electrdoe inputs, amplify thier differences and the output the information to the screen All of the following are true of alpha except a. is a frequency of 9-10 Hz in the alert, awake adult b. is seen in the posterior head regions c. attenuates with eye opening and accentuates with eye closing d. is frequently seen in the front-central regions of the alert, awake adult d. is frequently seen in the front-central regions of the alert, awake adult According to the ACNS guidelines for routine EEG recording, electrode impedance's should be a. less than 5,000 ohms b. Greater than 100 ohms c. within 2,000 ohms of other scalp electrodes d. All of the above are correct d. All of the above are correct Voltage is measured in a. uv/mm b. uv c. mm d. cm b. uv The ACNS guidelines recommend a minimum of ____ channels of simultaneous recording for routine EEG's. a. 16 b. 19 c. 21 d. 32 a. 16 Sensitivity is measured in a. uv/mm b. uv c. MV d. cm a. uv/mm Where are the electrodes T1 and T2 placed? a. 1/3 the distance from the preauricular point to the outer canthus and 1 cm down b. 1/3 the distance from the preauricular point to the outer canthus and 1 cm up c. 1/2 the distance from T3 to the outer canthus and down 2 cm d. 1/2 the distance from the outer canthus to the preauricular point and 1 cm up b. 1/3 the distance from the preauricular point to the outer canthus and 1 cm up Beta activity is a. seen in the frontal regions of the alert, awake, relaxed adult b. is frequently seen in the occipital regions during drowsiness c. accentuates with eye opening d. is always indicative of barbituate use a. seen in the frontal regions of the alert, awake, relaxed adult A spike is best described as having a duration of a. 200 ms b. 70 -200 ms c. 70 ms d. 20 ms c. 70 ms __________ is recorded as uv/mm and is defined as the amount of voltage it take to produce an amplitude of 1 mm. a. Frequency b. Voltage c. Sensitivity d. Duration c. Sensitivity If the frequency of a spike and wave complex is 3 Hz, what would the duration be? a. .2 seconds b. .33 seconds c. .5 seconds d. .66 seconds b. .33 seconds Consisting of two or more waves, not necessarily the same frequency, with a distinct pattern or shape which is different from the background. a. Triphasic b. Complex c. Transient d. Sharp b. Complex The electrode T7 is the same as a. T3 b. T5 c. T4 d. T6 a. T3 According the ACNS guidelines, inter electrode impedance for electrocerebral silence should be below a. 100 ohms b. 1,000 ohms c. 10,000 ohms d. 20,000 ohms c. 10,000 ohms Activity occurring on one side of the brain is a. Continuous b. Periodic c. Lateralized d. Generalized c. Lateralized _____________ is the amount of time it takes for one waveform to occur and is measured in seconds or milliseconds. a. Frequency b. Voltage c. Sensitivity d. Duration d. Duration Which LF would not be a good choice if trying to enhance slow waves? a. .1 Hz b. .3 Hz c. 1 Hz d. 1.6 Hz e. 5 Hz e. 5 Hz Which montage would be inappropriate when trying to localize a spike focus when a patient is asleep? a. Circumferential ("Hatband) b. Transverse c. Cz Reference d. Ipsilateral Reference c. Cz Reference Which activation procedure would be best for bringing out focal epileptiform abnormalities? a. Photic Stimulation b. Hyperventilation c. Eye Opening and Eye closure d. Sleep d. Sleep Which montage would be most advantageous when recording a focus in the 02 electrode? a. Reference b. Anterior-Posterior Bipolar (Dobule Banana) c. Circumferential (linked occipital electrodes) d. Average Reference c. Circumferential (linked occipital electrodes) What in a digital recording allows for changing the montage at a time after the patient leaves the lab? a. Reformating b. Analog to Digital Converter c. Common Mode Rejection d. Nyquist theorum a. Reformating At what age does the differentiation between wakefulness and sleep first occur? a. 24-26 weeks CA b. 32- 34 weeks CA c. 38 - 40 weeks CA d. 44-46 weeks CA b. 32- 34 weeks CA Which of the following occurs when the reference electrode is contaminated? a. in a reference montage all electrode in the chain have the same amplitude b. in reference montage the channel that compares the reference electrode the mid-temporal electrode is equipotential c. there is a phase reveresal in the reference montage d. All of the above are correct e. None of the above are correct d. All of the above are correct