Kettering PSG State Board Prep

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Kettering PSG State Board Prep After completing the Epworth sleepiness scales patient referred for PSG has a score of 3, how would sleep tech rather the patient's situation? - ✔✔Normal sleepines ... s Good sleep hygiene includes? - ✔✔Regular daily activities RIP. Respiratory inductance plethysmograph. - ✔✔What is considered the "gold standard" when it comes to recording RESPIRATIONS from the thoracic and abdominal areas? The circumference of the patients head is 56cm, what is the distance from Oz to O1? - ✔✔2.8 Sleep state misperception is also known as? - ✔✔Paradoxial insomnia recording with a high sampling rate - ✔✔What would increase the resolution of EEG spikes and improve the definition of high frequency activity? During which sleep stage is the arousal threshold the highest? - ✔✔N3 What is the RECOMMENDED minimum required length for an arousal? - ✔✔3 seconds What is the recommended decrease in SPO2 needed for an event to be scored as a central apnea? - ✔✔There is no required decrease in SPO2 What is the recommended LFF/HFF for an EMG Channel? - ✔✔10 / 100 The distance from Fpz to T4 is 14cm. What is the distance from Fpz to F8? - ✔✔7cm What cardiac arrhythmia would require immediate intervention? - ✔✔Asystole For an average adult, what stage of sleep is predominately found in the first third of the night? - ✔✔N3 What is the RECOMMENDED number of observed hypopnea needed in an adult patient before increasing the pressure during a titration? - ✔✔3 A patient with an unilateral diaphragmatic paralysis would be MOST at risk for? - ✔✔sleep disordered breathing during REM Whats a pattern of recurrent central apneas alternating with a crescendo-descrendo of tidal volume? - ✔✔Cheyne-Stokes breathing What is the recommended number of observed hypopnea needed for a pediatric patient before increasing pressure during a titration? - ✔✔1 Which EEG electrode is half the distance from F8 to Fz? - ✔✔F4 What BEST describes an Obstructive Apnea? - ✔✔At least a 90% reduction in airflow signal for at least 10 seconds with effort throughout an apnea The measured distance from the Nation to the inion is 32cm, what is the distance from the inion to OZ? - ✔✔3.2cm The ability of a differential amplifier to minimize signals similar to both inputs is known as? - ✔✔Common mode rejection Which EEG electrode site is half the distance from O1 to T3? - ✔✔T5 A pt. recently diagnosed with a REM disorder wishes to have another sleep study in a different lab to confirm the diagnosis, what would the tech expect to observe and would the patient's diagnosis of a REM disorder? - ✔✔Decreased REM latency The American Academy of Sleep Medicine grants laboratory accreditation for a period of how many years? - ✔✔5 years While performing a PSG on a patient, the ECG channel becomes straight line, what should the technologist do first? - ✔✔Evaluate the patient Duing an evaluation of a 80 year old man for PSG, his daughter explains to the physician that her father often becomes confused and often upset, especially in the early evening. The man shows signs of dementia, what is an appropriate conclusion on the basis of his information? - ✔✔He has signs of sundowning While viewing an ECG from a patient, the technologist notes that the T wave is upright and relatively the same size as the P wage, how should this be interpreted? - ✔✔Depolarization of the heart If the distance from Fpz to Oz is 48 centimeters, what is the distance from Pz to Oz? - ✔✔9.6 which is 20% A physician orders transcutaneous monitoring during a PSG for a 34 year old female with anemia, The technologist should expect the displayed values to be? - ✔✔lower than the patients values ( transcutaneous is through skin and anemia is low blood) The term "vegetative organism" refers to? - ✔✔growing microorganisms When informing a patient of his/her medical rights, what should not be included? - ✔✔Involuntary participation by the patient While recording an overnight sleep study, the technologist notes that some of the EEG waveforms are distorted. In order to improve the appearance of the waveforms, the technologist should adjust the... - ✔✔sampling rate What is the input voltage with a pen deflection of 18mm and a sensitivity of 5 uV/mm? - ✔✔90 uV ( multiply 18mmx5uV) A female patient refused to have the fingernail polished removed from her finger for pulse oximetry during an overnight sleep study, how would this affect the displayed pulse oximetry value? - ✔✔false high reading What are the primary reasons for recording eye movements during a sleep study of these senerios? 1- To capture slow rolling eye movements at the beginning sleep. 2- To determine when the patient is asleep. 3- To see phasic burst of rapid eye movements. 4- To capture the E1 - M2 and E2 - M2 reference. - ✔✔1 and 3 Acid gluteraldehyde will function as a sporicidal in: - ✔✔1 hour A patient with emphysema is undergoing a PSG test, EEG hook up and attachment of the pulse oximetry probe has been completed. The initial pulse oximetry saturation reading is 80%. After 7 minutes the displayed saturation is 82%, what should the technologist do? - ✔✔start the patient of 1 L/min of nasal oxygen and recheck the pulse oximetry saturation in 10 minutes What us the voltage if a unit has a pen deflection of 8 mm and a sensitivity of 5 uV/mm? - ✔✔40 uV ( make triangle formula) The first epoch of any stage of sleep is defined as ? - ✔✔Sleep onset If G1 and G2 receive an input of 50 uV, what would the output signal be? - ✔✔0 (G1-G2) A patient has a MSLT score of 8, this should be interpreted as? - ✔✔troublesome If the voltage is 500 uV and the sensitivity is 150 uV what would the pen deflection be? - ✔✔3.33 mm ( triangle formula V/S) A patient had sleep onset on epoch 30 with the first stage of REM occurring at epoch 250 how should REM latency be scored? - ✔✔110 minutes (subtract 230-30/2) Patient grounding can be described as? 1- A return path for an electrical circuit. 2- A a reference for the other electrodes. 3- Increased resistance to earth 4- Path from patient to earth - ✔✔2 and 4 A patient has been diagnosed with circadian rhythm disorder. What therapy should the technologist recommend? - ✔✔Bright light therapy in the evening An ECG tracing shows an atrial rate of 80/min and a ventricular of 32/min. The PR interval cannot be determined and the QRS complex is widened? This best describes this? - ✔✔3rd degree AV block What is the resistance in a circuit with a current of 5.8 campers and a voltage of 12 volts? - ✔✔2.06 ( formula voltage / current) The term "Zeitgebergers" can best be described as signals in the brain synchronizing our... - ✔✔internal clock to the external environment When informed by his primary care physician about the need for a sleep study, the patient asks who will be in charge of the study. The primary care physician informs the patient that although he doesn't have that information, the patient should be assured that it will be "someone good". In this case, the patient has a right to expect... - ✔✔the name of the physician responsible for his care Bright light therapy is transmitted to the brain through the optic nerve and stimulates which component of the brain - ✔✔Suprachiasmatic nucleus Which stimulates breathing in a patient with COPD? - ✔✔Hypoxemia When performing CPR on a child, the chest should be compressed to a depth of? - ✔✔1 - 1 1/2 inches The percent of time spent asleep compared to the amount of time in bed is defined as? - ✔✔Sleep efficiently While performing channel calibrations prior to an overnight study, the technologist notices that the spacing between the two EOG channels is not equal, the technologist should calibrate the? - ✔✔Mechanical baseline High amplitude bursts of EEG activity greater than 13 Hz can be best described as a? - ✔✔Beta spindle Which of the following would not be considered a component of malpractice prevention? Compliance Competence Carefulness Correspondence - ✔✔Carefulness Based on the following where should the technologist set the sensitivity? Voltage 75 uV Deflection 10 mm - ✔✔7.5 uv?mm (formula 75 / 10) What is the recommefdended MINIMUM sampling rate for the recording of electromyography on a digital computer? - ✔✔200 Hz What is the minimum amount of time allowed for a patient to fall asleep during a MSLT? - ✔✔20 minutes A technologist is advised by his supervisor to use two separate ground conditions for the upcoming PSG, the technologist should? - ✔✔explain that ground looping can occur as a result of this arrangement Which of the following is NOT approved by the AASM to treat sleep apnea? - ✔✔LAUP (Uvulopalatoplasty) Hyperkalemia in a patient would cause the T wave on an ECG strip to what? - ✔✔spike above the baseline Which of the following is NOT a mandatory guideline for the accreditation of a sleep lab? RPSGT on Staff Medical Director on Staff Board Certified sleep specialist on staff Facility license - ✔✔RPSGT on staff The following information is available following a sleep study: Time in bed (TIB) is 380 minutes, Latency is sleep onset is 30 minutes. Total wake time following sleep onset (WASO) and before the lights are turned on is 34 minutes? what is the total sleep time (TST) for this patient? - ✔✔316 (380-30-34=316) Which log frequency filter setting is most appropriate in order for an EEG waveform to return to baseline and be recorded clearly? - ✔✔1 Hz What is the most common cause of OSA in a patient with Down syndrome? - ✔✔Macroglossia (thick tongue) The digital display on a CPAP machine has malfunctioned, what other method could the technologist use to evaluate the pressure delivered by the CPAP machine? - ✔✔Water column manometer What sleep stage contains "Berger" waves of 8 - 13 hertz? - ✔✔N1 (alpha) A patient has a nasal-oral cannula in place, the TeCO2 displays a value of 3%, this condition would be best described as - ✔✔Normal What is current in a circuit with a resistance of 4.0 ohms and voltage of 20 volts? - ✔✔5 amperes (formula voltage / resistance of ohms) During a sleep study, impedance plethysmography is being used to record respirations on a 2 year old infant. To verify a good recording, which of the following should be checked first if unobtainable respiratory tracings appear? Electrodes Piezo crystals Piezo-electric sensors Strain gauges - ✔✔Electrodes Which of the following medications can cause respiratory depression if administered in large doses? Klonopin Halcion Morphine Ativan - ✔✔Morphine Which of the following solutions are sporicidal in 10 hours? Alkaline glutaraldehyde Acid glutaraldehyde Cidex Bleach - ✔✔Alkaline glutaraldehyde Which is the most appropriate method to establish airways in a patient with a suspected neck fracture? Jaw thrust Modified Jaw Thrust Head-tilt/Chin Lift Hyper-extension of the neck - ✔✔Modified Jaw Thrust Reduced levels of the following would decrease the amount of sleep? Acetycholine Noradrenalin Dopamine Suprachiasmatic nucleus - ✔✔Dopamine According to the AASM scoring guidelines, rhythmic movement disorder will have a minimum and maximum frequency of? 0.1 Hz - 1.0 Hz 0.5 Hz - 2.0 Hz 1.0 Hz - 3.0 Hz 2.0 Hz - 4.0 Hz - ✔✔0.5 Hz - 2.0 Hz The type of sleep seen in infants that is very similar to adult NREM is? wake quiet active intermediate - ✔✔quiet Which is the most common surgical procedure for treatment of obstructive sleep apnea OBS? - ✔✔Uvulopalatopharyngoplasty (PPP) A patient undergoing a spilt night study has the spiked T waves on the ECG channel, this most likely cause of this is? - ✔✔Hyperkalemia (too much potassium) The minimum peak to peak voltage needed to identify a K complex is? 50 V 100 V 150 V NOT STIPULATED - ✔✔NOT STIPULATED While gathering the necessary equipment for an MSLT, which of the following would NOT be necessary? Intercostal EMG Central EEG leads Occipital leads M1 reference lead - ✔✔Intercostal EMG (no let leads needed) All of the following are considered sleep disorders EXCEPT? Bruxism Restless leg Syndrome Periodic limb movement syndrome somniloquy - ✔✔Restless leg syndrome The difference in the electrical charge between two points in a circuit and expressed in volts can be best described in which of the following? Plethysmography Thermistor Pressure transducer Pneumotachometer - ✔✔Thermistor After interviewing a patient, a physician suspects the individual may ave advanced sleep syndrome, what would be most helpful in assisting the physician with a diagnosis? Overnight sleep study MWT MSLT Actigraphy - ✔✔Actigraphy How much voltage is required to move a current of 4.5 amperes through a simple circuit with a resistance of 4.2 ohms? - ✔✔18.9 Volts (formula multiply by ohms) Which of the following would most likely cause ECG artifact during a sleep study? properly prepared electrode Obesity High performance amplifiers Gold cup electrodes - ✔✔Obesity The recommended MAXIMUM desirable sampling rate for the recording of OXIMETRY is? 25 Hz 50 Hz 100 Hz 150 Hz - ✔✔25 Hz An extreme high frequency filter setting would cause which of the following to occur in a waveform on an EEG tracing? A "roll-off" effect at the top A "peak" effect at the top A "narrowing" effect at the bottom A "widening" effect at the bottom - ✔✔A peak effect at the top Which of the following is the most effective method to eliminate an 60Hz artifact? common mode rejection sounded equipment low impedances avoiding extension cords - ✔✔Common mode rejection (CMR) All of the following can occur in Stage REM EXCEPT? sawtooth waves transient muscle activity 0.5 Hz - 2 Hz wave activity sleep spindles - ✔✔0.5 Hz - 2 Hz wave activity Odine's curse mainly affects which of the following patients? infants obese adolescents alzheimers - ✔✔Infants An attending physician has ordered a 12 lead ECG for a patient prior to an overnight PSG, The technologist notes that the ECG tech has placed 10 electrodes on the patient, the sleep technologist should? do nothing, this is correct procedure ask the WCG tech to place 2 extra electrodes contact the physician ask the ECG tech to remove 2 electrodes - ✔✔do nothing, this is correct procedure A physician has diagnosed a patient with Wittmaach-Elbborn's syndrome, which of the following best describes the condition? Periodic limb movement syndrome Klein-Levin syndrome Restless Leg syndrome Pierre-Robin syndrome - ✔✔Restless Leg syndrome A patient going to bed at 3:00 AM and waking at 2:00 PM could be described as having which of the following? delayed sleep phase syndrome excessive daytime sleepiness advanced sleep phase syndrome Narcolespy - ✔✔delayed sleep phase syndrome Which of the following sleep stages produces irregular sharply peaked eye movements with an initial deflection usually lasting LESS than 500 msec? Stage REM Stage 3 Stage 1 Stage Wake - ✔✔Stage Wake A physician refers a patient for PSG due to a sleep related breathing disorder. Which is the most appropriate way to evaluate the patient? Full Night PSG Split Night PSG MSLT MWT - ✔✔Full night PSG Which of the following PAP units provides a patient with pressure relief when EXHALING without causing the airways to collasp? BPAP APAP APRV CPAP - ✔✔APRV From sleep onset to the first epoch of REM is known as.? Sleep latency REM latency Mean REM latency Mean sleep latency - ✔✔REM latency During a sleep study the tech observe a patient of video to have a series of slow, deep breaths holding each one for 60-90 seconds, this type of breathing pattern can be best described as? Cheyne-Stokes Apneustic Kusslauls Biots - ✔✔Apneustic (apnea's) A patient with narcolepsy would benefit from which of the following medications? Morphine Ativan Provigil Xanax - ✔✔Provigal [Show More]

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