RPSGT Practice Test #1 QUESTIONS AND ANSWERS 2023

RPSGT Practice Test #1 QUESTIONS AND ANSWERS 2023 while reviewing the scoring report, the tech noticed that the lowest SpO2 is listed as 0% what should the tech do next? a. review the study, and lable bad data where the pluse oximeter falied. b. do nothing as the report is accurate. c. reschedule the pt for a repeat study becasue of corrupted data. d. check the pulse ox before attempting to generate the report again. - Answer A. Review the Study and appropiately lable any bad data where the pulse oximeter failed. when generating a report the data acquired will be plugged directly into the formula used to create the report summary. all data that are a result of faulty equipment or patients removing items should be appropriately labeled so taht the data do not throw off the accuracy of the scoring report. During a multiple sleep latency test (mslt) how is sleep onset defined? a. three or more epochs of stage N1 or a single epoch of the othere sleep stages b. when spindles are seen c. the first 30 second epoch in which alpha begins to supside. d. the first 30 second epoch in which there is more than 15 sec. of cumulative sleep. - Answer D. in a MSLT, sleep onset is the first 30 second epoch in which there is more than 15 sec. of cumulative sleep. for the purposes of determining how long the MSLt nap will last and sleep latency, sleep onset is defined as the first spoch that has more than 50% of any stage of sleep in in. Arousals and interruptions do on negate the possiblitity of sleep onset as long as the 15 sec. of total sleep is reached within taht 30 second epoch. where are the reference electrodes M1 and M2 placed on the head? a. on the earlobes b. on either side of the Cz elecrodes placement c. in the preauricular area behind the ear d. both A and C - Answer D. both A and C. The most common placement is the preauricular location behind the ears. for patients with and abundance of fat tissue or and exceptional EEG arifact, M1 and M2 can be attached to the earlobes instead. The itegrity of the entire EEG for the study relies on the proper placement of these reference electrodes. True statements about the process of biocalibrations include of the the flollowing EXCEPT a. the pt should be supine and still throughtout biocalibrations b. the tech's notes should reflect the movements, made by the pt. c. biocalibrations are done at the begining of the study only. d. nasal and oreal breathing are done on the NPSGs only, - Answer C. biocalibrations are done at the begining and the end of every study. pts should be asked to lie supine and still during the process. Each moements sohould e labeled xoeewxely in rhw study to reflect the movement the pt was asked to perform. Nasal and oral breathing are only done on the NPSG as a means to confermthat the thermistor and pressure transducer airflow cannula are functioning correctly. Pts whol suffer form frequent sinus infections should be advied NOT to wear which of the following masks? a. Nasal masks b. nasal-pillows c. full face d. all of the above. - Answer B. nasal-pillow masks deliver the whole of PAP pressure into the nasal passages and directly into the sinuses at the back ot the nose. For pts who have sasily irritated sinuses and nasal passages, the nasal-pillow design causes them alot of discomfort. Pts should be screened for sinus issues before determining the appropriate mask selection. what is the recommended minimum/maximum differential for IPAP and EPAP settings during a BiPAP titration? a. 4-6 cm apart b. 6-10 cm apart c. 4-10 cm apart d. 2-8 cm apart - Answer C. Dustin a BiPAP titration, the AASM recommends that the IPAP and EPAP remain at least 4 cm apart; this is an industry standard. For special circumstances and complicated Pts, the AASM recommends the spread between the IPAP and EPAP to go no higher than 10 cm apart. It is important to understand that any differential above 6 cm apart will more closely resemble a manual centilation of the pts breathing as opposed to 4-6 cm apart, which is standard BiPAP. Greater taht 6 cm apart is a less common differential typically used to assist pts in breathing excess carbon dioxide or special treatment of complex sleep apnea. These complex titrations should not be done without guidance and proper training. the physician's orgers indicate taht the pt is in the lab for a CPAP titration study; all of the following solutions woud be acceptable to resolve this situation EXCEPT a. call a member of the lab management team. b. run the study according to the physicians orders without verification. c. attempt to contact the ordering phusician, and verify the medical intent. d. look through the pts chart for evidence of a previous study. - Answer B. a study should never begin without order verifacation when the discrepancies are suspected. It is important to avoid telling pts that they are confused or mistaken about their own medical history, even if it is true. The corect course of action is to call management about the discrepancy, and follow up with the phusician in case of verbal alterations to the orders are required. while in the sleep lab, a pt has to do all the following EXCEPT a. sign a consent form b. have PSG equiptment attached to the body. c. remain connected to equipment for at least 6 hrs. d. remain supine for the entire study. - Answer D. a medical consent for is always required for any procedure, and a sleep study is a medical procedure. A pt may not give verbal permission as consent. for a PSG study to begin, the equipment must be attached, and for the study to be calid for diagnosis, the pt must remain connected for no less than 6 hrs. a pt is not required to lay down for the study. in some cases, pt sleep sitting upright; pt should not be forced to lie down during times of stress or anxiety. an artifact that results form salt bridges is most likely caused by A. incorrect measuring. B. prepping to large and area. C. allowing tape or gauze from different locations to make contact. D. all of the above. - Answer D. incorrect measurement can cause leads to be too close together, and prepping a site that is larger than the electrode may allow the prep solution to connect multiple electodes. Allowing tape or gauze to overlap can also connect multiple electrodes. if an artiface is severe, the stage of sleep will be difficult or impossible to discern. consuming alcoholic beverages before a sleep study is likely to have which effect on the pts sleep architecture. A. reduced sleep latency. B. decreased amount of slow wave sleep. C. less wakening after sleep onset. D. increased REM sleep. - Answer A. Alcohol consuption before bed reduces the time to sleep. onset, which is also referred to as sleep latency. Alchohol increased the amount of slow-wave sleep seen in first half of a sleep segment. Though pts will initiate sleep sooner, they have increased arousals and wake times following slee onset. Alcohol reduces or eliminates REM sleep entirely. which electrode site is found halfway beween the inion and nasion? A. P4 B. Fz C. Cz D. Pz - Answer C. P4 is not on the inion/nasion line at all. Fz is 30% up from the nasion, and Pz is 30% up from the inion. Cz is the elecrode found 50% kup from both the inion and the nasion at the top of the head. Odd locations, such as F3, are located on the left side of the head, and the even numbered corresponding positions, such as F4, are on the right side of the head. Which impedance level is considered acceptable for EMG channels, such as the limbs or chin? A. Less than or equal to 5 kohms B. less than or equal to 10 kohms C. greater than or equal to 15 kohms D. Less than or equal to 25 kohms. - Answer B. No impedance in the whole recording should be over 10 kohms regardless of type. only EEG leads are ezpected to be 5 or less; muscles-monitoring electrodes may be as high as but not greater than 10 kohms. Trace recordings of EEGs and EMGs will look clearer when impedances are all similar value. what condition would require a full. face mask or oral mask during a CPAP study? A. The pt is a mouth brather. B. the pt feels congested. C. the pt has a deviated septum. D. the pt is claustrophobic. - Answer C. Most pts suffering from sleep apnea breathine through their mouth periodically during the night in an attempt to catch up on deprived oxygen. Healthy pts who are able to inhale through their nose while awake should be able to inhale through their nose while asleep when obstructive events are eliminated with CPAP machines. Congestion is a temporary inconvenience quickly remedied with sprays or humidity setting on the CPAP machine,not full face masks. most pts who are claustrophobic or anxious are going to perfet the smallest and least invasive mask. A deviated septum, however, is a medical condition in which the sinuses and bone have shifted to block the passage of air either partially or entirely through the nasal passages; in this case, a full fase mask or oral mask would be necessary. why is precise measurement of the head improtant for PSG? A. Artifacts can be caused by improper placement of electrodes. B. Observation of important waveforms required precise electrode placement. C. it is improtant for the identification of slee onset and specific sleep stages. D. All of the above. - Answer D. there is no guessing with electrode placement. Artifacts can be caused by improper placement, or curcial waveforms can be attenuated from sight in the EEG channels. sleep identification is not possible when those crucial waveforms are not present in the PSG. Not all pts have summetrically accurate head shapes. becasue of this each and every lead locationlocation mush be measured on its own and not duplicated from a similar measurment on the opposite side it the head. all of the following are idications that a pt is entering stage N1 slee from the wake stage EXCEPT A. there is a reduction in the chin EMG amplitude B. alpha frequeencies in occipital channels have reduced or stopped entirely. C. the eyes roll gently. D. the eyes mirror the EEG frequencies. - Answer D. Muscle activity decreases in the chin channel when pts endter N1 sleep from stage wake. Alpha is on.y present in wake when the eyes are closed, so as a pt falls asleelp. the alpha frequency is no longer present in the occipital channels. Gently rolling eyes are an indicator of stage N1. while eyes are mirroring the EEg are an indication of stage N2 or N3.