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RPSGT EXAM MOCK EXaM 2024- 2025
enhanced artifact - ANSWER>>The failure to remove electrode paste residue will MOST likely result in: a. discarded electrodes. b. enhanced artifact. c. improved detergent selection. d. improvement in adherence. Initiate emergency response system - ANSWER>>The most appropriate action a technologist would take when there is confirmed ventricular tachycardia lasting greater that 30 seconds is: a. Initiate emergency response system b. Assess, document and continue to monitor c. No immediate response is needed d. Discontinue recording and transport to emergency room Do not use the equipment until the leakage current is lowered. - ANSWER>>The polysomnograph has a leakage current of 200uA. What should the technician do about this? a. Plug the equipment into an ungrounded plug to avoid a ground loop. b. Do not use the equipment until the leakage current is lowered. c. Continue to record since this leakage current is within acceptable limits. d. Use an extra grounding electrode on the patients sweat - ANSWER>>Which of the following conditions are most likely to cause slow wave artifact in the EEG and EOG channels? a .Muscle tension b. Sweat c. Incorrect placement of the reference electrodes d. A and C are correct c3 - ANSWER>>The electrode located 30% above the left pre-auricular crease is: C P 01 F hypoventilation - ANSWER>>CO2 monitoring, using either end-tidal or transcutaneous sensors, is mandatory in children for the scoring of: A. Apnea B. Hypopnea C. Central events
D.
Hypoventilation capnography - ANSWER>>What additional parameter would be MOST helpful to monitor when recording a patient with COPD? a. intercostal EMG b. piezo technology c. esophageal pressure d. capnography DC - ANSWER>>Which of these channel types produces a square calibration wave? EEG EMG Respiratory DC unacceptable leak value - ANSWER>>The most common reason for changing the PAP interface during titration is: a. Sustained desaturations b. Low sleep efficiency c. Treatment emergent central apneas d. Unacceptable leak value 3.2 cm - ANSWER>>The measured distance from the nasion to the inion is 32cm. What is the distance from the inion to Oz? 1.6cm 3.2cm 6.4cm 16cm high and unequal electrode impedances - ANSWER>>Which of the following factors is most likely to cause 60Hz artifact? a : High and unequal electrode impedance b. Incorrect low and high frequency filter settings. c. Incorrect placement of the reference electrodes d. Direct pressure against one of the electrode 5.8cm - ANSWER>>The circumferential measurements is 58cm. What is the distance between O1 & O2? 2.4 cm 5.8 cm 10cm 7.2 cm less than 5k ohms - ANSWER>>Which of the following are the recommended impedance levels for EEG electrodes?
why; Advanced digital acquisition systems samples continuous signals at a fixed rate, called a sampling rate. The Nyquist theorem states that a digital copy of a signal can be completely reconstructed from samples made at a sampling rate faster than twice the bandwidth of the highest frequency of the original data. Sampling at a higher rate facilitates more accurate reconstruction of the signal. EEG spikes, such as those seen in epileptiform activity, require a high sampling rate to reconstruct the signal, enhance resolution and improve the definition of the waveform. - ANSWER>>What would increase the resolution of EEG spikes and improve definition of the waveforms? a. applying 50/60 Hz filter b. using a 100 uV input voltage c. increasing sensitivity d. increasing sampling rate mild osa - ANSWER>>The best candidate for oral appliance therapy would have? a. Moderate RBD b. End-stage COPD c. Severe snoring d. Mild OSA increased site preparation - ANSWER>>Which of these factors does not tend to increase impedances? a. Increased site preparation b. Broken/faulty wires c. Dirty electrodes d. Poor application 0.5 hz - ANSWER>>Which of these LFF settings is preferred for and EEG channel? 0.5Hz 3.0Hz 10Hz 35Hz hyperactivity - ANSWER>>Obstructive apnea is pediatric patients is most often associated with: a. Idiopathic hypersomnolence b. Hypothyroidism c. Hyperactivity d. Overlap syndrome increased site preparation - ANSWER>>Which of these factors does not tend to increase impedances? a. Increased site preparation b. Broken/faulty wires c. Dirty electrodes
d. Poor application shorter power cords - ANSWER>>Which of these does not tend to increase leakage current? a. Shorter power cords b. Power strips c. Battery backups d. Parallel placement of wires Measure the patient's ability to resist the urge to fall asleep - ANSWER>>The most important reason for performing a MWT is to: a. Calculate the total sleep time over 5 nap opportunities b. Differentiate narcolepsy form idiopathic hypersomnia c. Measure the patient's ability to resist the urge to fall asleep d. Predict the need for administering stimulant medicaiton c. verify electrode response to commands. - ANSWER>>The technologist performs physiological calibrations in order to: a. assess the function of the computer keyboard. b. assess the function of the electrical bed. c. verify electrode response to commands. d. verify the polarity of the electrocardiogram (ECG). Tachycardia alternating with bradycardia - ANSWER>>A pattern of cardiac variability often seen in patients with OSA is: A. Persistent Tachycardia B. Persistent bradycardia C. Tachycardia alternating with bradycardia D. Prolonged QT interval The electrical potential difference between the cornea and the retina - ANSWER>>The recording of eye movements is based on: a. Muscle activity produced by the right and left outer canthus b. Voltages from the frontal EEG's c. The electrical potential difference between the cornea and the retina d. The electrical potential difference between the right eye and the left eye Provide workers with procedures for handling and storage of products - ANSWER>>The purpose of the Material Safety Data Sheet is to: A. Provide information to patients about proper use of products
AHI - ANSWER>>add Apneas and hypopneas then multiply by 60 then divide by tst A 60-Hz artifact - ANSWER>>Accessory equipment such as a CPAP machine or radio placed near the headbox may cause: A. A 60-Hz artifact B. Electrode pops C. Spurious electrode impedance measures D. Gap junctions with sparking Sampling rate - ANSWER>>The amount of space needed to archive digitized data is most impacted by: a. Filter settings b. Sampling rate c. Epoch size d. Sensitivity Sensitivity=voltage/pen deflection - ANSWER>>Which of the equations is true regarding sensitivity? a. Sensitivity=pen deflection/voltage b. Voltage=sensitivity/pen deflection c. Sensitivity=voltage/pen deflection d. Pen deflection=sensitivity/voltage Asystole - ANSWER>>According to the AASM Scoring Manual, a pause in the heart rate of 3 seconds or longer is called: A. Asystole B. Bradycardia C. Prolonged QT interval D. Premature ventricular contraction LFF=10Hz, HFF=100Hz - ANSWER>>Which of the following filter settings are the most appropriate for recording EMG channels? LFF=10Hz, HFF=100Hz LFF=1Hz, HFF=30Hz LFF=.3Hz, HFF=30Hz LFF=.1Hz, HFF=.5Hz
Patient education - ANSWER>>What has the largest impact on adherence to PAP therapy: a. Sleep duration b. Severity of snoring c. Type of equipment d. Patient education single QRS complex - ANSWER>>Each P wave in a normal sinus heart ryhthm is associated with: A. Two or more QRS complexes B. A single QRS complex C. A premature ventricular contraction D. Sinus arrhythmia frequency - ANSWER>>The number of events that occur within a particular period of time is called: a. frequency b. amplitude c. polarity d. duration b. Assess patient and document. - ANSWER>>Brady-tachycardia is noted on a sleep study. Which of the following is the BEST technologist response?
. Order 12-lead ECG. b. Assess patient and document. c. Immediately contact the physician. d. Initiate emergency response. Obstructive hypopnea - ANSWER>>The respiratory event that requires oxygen desaturation and/or an arousal as part of the scoring criteria is: Obstructive hypopnea Mixed apnea Hypoventilation Cheyne Stokes mild obstructive sleep apnea - ANSWER>>Oral appliance is an alternative option for patients with: a. hypoventilation b. central apnea c. restrictive lung disease d. mild obstructive sleep apnea
d. Decrease in unintentional leak b. Two electrodes that overlie an electrically active area why? Analog systems allowed the technologist to select a string of bipolar derivations comprised of exploring electrodes that overlie electrically active recording sites for both input 1 and input 2 using a mechanical electrode selector panel. This could also be accomplished using a bipolar jack box on which designated connections listed for input 1 and input 2 of each channel routed signals directly to the respective amplifier. Today, the selector panel has been replaced by a digital system with software control of electrode switching. - ANSWER>>A bipolar derivation utilizes which of the following? a. One electrode that overlies an electrically active area b. Two electrodes that overlie an electrically active area c. One electrode over an active and one over an inactive area d. Two electrodes that overlie an electrically inactive area REM Sleep Behavior Disorder - ANSWER>>The patient's medical history indicates the patient has been taking tricyclic antidepressants for the past 5 years. The technologist should anticipate the patients may have an increased likelihood of: a. Complex partial seizures b. Central sleep apnea c. REM Sleep Behavior Disorder d. Restless Legs Syndrome CPAP splints the obstructed airway open - ANSWER>>The BEST way for the technologist to explain how CPAP helps eliminate obstructive apnea is to explain that: a. CPAP splints the obstructed airway open b. chemoreceptors will reset and eliminate apnea c. there are separate pressures for inspiration and expiration d. the airway typically collapses at the end of inspiration Ground loop - ANSWER>>What is the danger of using two ground wires on a piece of diagnostic equipment? a. Ground loop b. Electric Shock c. Galvinized skin response d. Common mode rejection Differential - ANSWER>>The preferred type of amplifier in polysomnography is: Single-ended Triple-ended Differential Multifrequency
IPAP 14 EPAP 10 - ANSWER>>During a titration study the patient's apneas are eliminated at 10cm H2O but hypopneas and snoring continue at 16cm H2O. According to recommended guidelines, the appropriate pressures to begin a bilevel titration is: IPAP 4 EPAP 8 IPAP 10 EPAP 6 IPAP 14 EPAP 10 IPAP 10 EPAP 14 LFF .1Hz - ANSWER>>What instrument adjustment would BEST enhance visualization of N3 sleep? a. decreasing display gain b. decreasing sampling rate c. LFF .1Hz d. HFF 70Hz Bilateral reshaping of jaw bone - ANSWER>>Maxillomandibular Advancement treats OSA by: a. Enlarging and stabilizing he upper airway b. Pulling the tongue forward c. Bilateral reshaping of jaw bone d. Modifying the alignment of the upper jaw Normal - ANSWER>>Sinus arryhthmia in a 5-year-old child is: I. Normal II. Potentially life threatening III. Due to abnormal Purkinje bundle conduction IV. The most common reason for pacemaker implantation in children total PLMs/minutes of sleep x 60 - ANSWER>>The formula for calculating a PLM index is: a. TST x 100 / total PLMs b. minutes of sleep/ total PLMs x 100 c. total PLMs/minutes of sleep x 60 d. minutes of sleep/ total PLMs x 60 Wash out CO2 and prevent rebreathing - ANSWER>>The purpose of intentional leak is to:
Piezo-electric crystal band - ANSWER>>Which of these devices produces its own electricity? a. Thermister b. Oximeter c. Piezo-electric crystal band d. Actigraph Tachycardia - ANSWER>>According to the American Academy of Sleep Medicine (AASM) Scoring Manual, a sustained (30 seconds or longer) heart rate of 90 beats per minute or higher during sleep is called: A. Atrial fibrillation B. Left bundle branch block C. Bradycardia D. Tachycardia flow limitation - ANSWER>>During a PAP titration, signal flattening in the nasal pressure monitor indicates: snoring hypoventilation central apnea flow limitation out-of-phase in respiratory effort with airflow remaining flat - ANSWER>>Paradoxical breathing is identified by channel deflections that are: a. in-phase in respiratory effort and out-of-phase in airflow b. out-of-phase in airflow with respiratory effort remaining flat c. in-phase in airflow and in-phase in respiratory effort d. out-of-phase in respiratory effort with airflow remaining flat Frequency - ANSWER>>The rate at which a wave repeats itself or oscillates is called the: Frequency Amplitude Sensitivity Filter Reposition and adjust PAP interface - ANSWER>>During stage N2 sleep, the patient changes position and the technologist notes increased snoring and an increasing leak. The technologist should: a. Increase CPAP b. Reposition and adjust PAP interface c. Decrease pressure release ventilation
d. Increase heated humidification Obesity hypoventilation why Obesity hypoventilation, sometimes called Pickwichian Syndrome, is a breathing disorder that affects some obese patients. In Obesity Hypoventilation Syndrome, poor breathing results in too much carbon dioxide (hypoventilation) and too little oxygen in the blood (hypoxemia) - ANSWER>>The syndrome characterized by prolonged episodes of severe hypoxemia and associated PaCO2 elevation that worsens during sleep is: a. Gastroesophageal reflux b. Pulomnary hypertension c. Obesity hypoventilation d. Upper airway resistance Cumulative effect of insufficient sleep - ANSWER>>Sleep debt can best be described as the: a. Cumulative effect of insufficient sleep b. Amount of sleep an individual needs c. Result of excessive REM sleep d. Consequence of fragmented sleep pulse oximetry - ANSWER>>Indirect monitoring of oxygen level by the use of sensors that detect light wave absorption is: a. capnography b. electromyography c. pulse oximetry d. thermal sensor REM and slow wave rebound - ANSWER>>In patients with severe sleep-disordered breathing, the most commonly seen response resulting from successful PAP titration is: a. Increased hypoxemia b. Attenuation of alpha activity c. REM and slow wave rebound d. Increase in PLMs Montage why The primary purpose of montage calibration is to confirm amplifier function and appropriate channel response to amplifier controls. A montage calibration is performed after the machine calibration and signal calibration of ancillary devices, and serves as visual documentation of the initial amplifier settings. It is performed by inputting a calibration signal of know voltage, typically 50microvolts , to all amplifiers simultaneously, with the sensitivity and filter controls set to the values that are routinely used a the beginning of every study. - ANSWER>>What type of calibration is defined as
c. congenital central hypoventilation d. metabolic Change to bilevel - ANSWER>>During a CPAP titration at 15 cm H2O, the patient is restless and continues to have frequent obstructive respiratory events. The best action is to: a. initiate AP ramp b. Increase humidity c. Change to bilevel d. Add a backup rate c. Total sleep time - ANSWER>>Which of the following is needed to calculate the apnea/hypopnea index? a. Total number of limb movements b. Oxygen desaturation index c. Total sleep time d. Number of heart beats per hour of sleep EEG 0.3/35 EOG 0.1/35 EKG 1.0/35 EMG 10/70 - ANSWER>>Which filter settings are most appropriate for the associated channel types: a. EEG 0.1/15 EOG 0.1/15 EKG 0.3/15 EMG 1.0/ b. EEG 0.3/35 EOG 0.1/35 EKG 1.0/35 EMG 10/ c. EEG 1.0/70 EOG 1.0/70 EKG 0.3/15 EMG 1.0/ d. EEG 1.0/70 EOG 1.0/70 EKG 1.0/70 EMG 5.0/ Common mode rejection - ANSWER>>The ability of an amplifier to cancel external interference that is common to both input signals is called: a. High frequency filter b. Sampling rate c. System referencing d. Common mode rejection 4 cm H2O - ANSWER>>What is the recommended starting pressure for pediatric and adult CPAP titration? 3 cm H2O 5 cm H2O 4 cm H2O 6 cm H2O High and unequal electrode impedance - ANSWER>>Which of the following factors is most likely to cause 60Hz artifact? a. High and unequal electrode impedance b. Incorrect low and high frequency filter settings. c. Incorrect placement of the reference electrodes d. Direct pressure against one of the electrodes
Recording and analysis of the nondominant wrist movements - ANSWER>>Actigraphy is the: A. Measurement and quantification of REM movements B. Recording and analysis of the nondominant wrist movements C. Recording of leg movements D. Home sleep testing 60 - 100 BPM - ANSWER>>The normal Heart rate is: 80 - 100 BPM 60 - 100 BPM 40 BPM
100 BPM LFF 0.3 Hz, HFF 35 Hz - ANSWER>>Which LFF and HFF combination is RECOMMENDED for routine monitoring of EOG signals? LFF 10Hz, HFF 100 Hz LFF 0.3 Hz, HFF 35 Hz LFF 0.3 Hz, HFF 70Hz Lff 0.1 Hz, HFF 15Hz flattening of the inspiratory airflow profile associated with an arousal - ANSWER>>When airflow changes do not meet the criteria for obstructive apnea or hypopneas, respiratory effort event- related arousals can be estimated by: a. detection of vibration by using piezoelectric transducers b. flattening of the inspiratory airflow profile associated with an arousal c. sawtooth patterns in the unfiltered airflow or mask pressure tracing d. measuring the pressure difference between the mask and the machine outlet LFF 0.3 Hz, HFF 35 Hz - ANSWER>>Which LFF and HFF combination is RECOMMENDED for routine monitoring of EOG signals? LFF 10Hz, HFF 100 Hz LFF 0.3 Hz, HFF 35 Hz LFF 0.3 Hz, HFF 70Hz Lff 0.1 Hz, HFF 15Hz Anterior tibialis - ANSWER>>Which muscle are the leg EMG electrodes placed over? Posterior tibialis Anterior tibialis Submentalis Mentalis
Notch (60 Hz) filter D. High-frequency filter Airflow signal generated by the PAP delivery device - ANSWER>>The best method for detecting apneas and hypopneas during PAP titration is to use a/an: a. Vibratory signal produced by a piezoelectric transducer b. Airflow signal generated by the PAP delivery device c. Pressure sensor underneath a nasal interface d. Thermal sensor placed under an oronasal interface Stray capacitance - ANSWER>>When electrical signals from external sources interfere with signals derived from the patient, this is referred to as: Resistance Stray capacitance Cell potential Biopotentiality Differential - ANSWER>>The preferred type of amplifier in polysomnography is: Single-ended Triple-ended Differential Multifrequency The electrical potential difference between the cornea and the retina - ANSWER>>The recording of eye movements is based on: a. Muscle activity produced by the right and left outer canthus b. Voltages from the frontal EEG's c. The electrical potential difference between the cornea and the retina d. The electrical potential difference between the right eye and the left eye unnecessarily high pressure - ANSWER>>Overcompensation for mask or mouth leaks when using auto-titrating CPAP (APAP) is MOST likely to result in: a. unnecessarily high pressure b. complex sleep apnea c. increased compliance d. pneumothorax 3 consecutive epochs of stage N1 - ANSWER>>Following RECOMMENDED guidelines, which of the following would be an appropriate time to end an MWT trial? a. no sleep at 20 minutes of recording b. 20 minutes even if sleep occurs earlier c. a single epoch of N d. 3 consecutive epochs of stage N
Histogram - ANSWER>>What is the best tool that a physician could use to more clearly explain the results of the sleep study and th importance of therapy to the patient: Histogram Electroencephalogram Plethsymograph Sleep diary Montage - ANSWER>>The electrode array used for recording physiologic activity is referred to as: Polarity Sensitivity Impedance Montage Sweat - ANSWER>>Which of the following conditions are most likely to cause slow wave artifact in the EEG and EOG channels? Muscle tension Sweat Incorrect placement of the reference electrodes A and C are correct thalamus and hypothalamus - ANSWER>>ascending reticular activating system (ARAS) is located in the ---- ARAS (ascending reticular activating system) produces - ANSWER>>EEG patterns of wakefulness, deactivations causes sleep. pm - portable monitoring - ANSWER>>limited channel monitoring outside the sleep center for the diagnosis of OSA have been called continued or increased inspiratory effort exists - ANSWER>>an apnea episode is scored as obstructive when: SCN - ANSWER>>circadian rhythm pacemaker amplitude - ANSWER>>gain affects what tracheotomy - ANSWER>>originally, osa was treated with Slow rolling eye movements - ANSWER>>_________defined as conjunction with initial deflection >500msec 5 k ohms - ANSWER>>chin emg .
