RPSGT EXAM- (Fall2021/2023) Study Guide and Practice Test-100% Solved

The purpose of an intentional mask leak is to... - ANSWER-Wash out CO2 and prevent rebreathing Recommended guidelines state that HSV can be considered when.... - ANSWER-Cheyne Stokes and central Apneas have not been eliminated. What is aerophagia? - ANSWER-The swallowing of air What is maxillomandibular advancement? - ANSWER-Treatment that involves cutting and advancing the upper and lower jaw bones; enlarging and stabilizing the posterior airway. What is the PRIMARY function of the EPAP setting? - ANSWER-To eliminate desaturations and arousals. According to guidelines, how many Hypopneas need to occur in peds pts prior to increasing pressure? - ANSWER-1 What are the AASM guidelines for supplemental O2 during PAP studies? - ANSWER-1lmp during PAP titration when SPO2 is less than or equal to 88% for 5 or more minutes and in the absence of obstructive events. If a pts Apneas are fixed at 10cm, but Hypopneas and snoring still occur at 16cm, what levels of BiLevel should be used? - ANSWER-IPAP: 14 EPAP: 10 Which of the following can reduce the effectiveness of CPAP and why: Nasal spray, Alcohol, Anti depressants. - ANSWER-Alcohol: impairs arousal response which can lead to longer than normal events and severe desats. Inhibits upper airway activity What syndrome would a pt with COPD and OSA have? - ANSWER-Overlap syndrome What are hypoxemia and hypercapnia? - ANSWER-Hypoxemia: very low 02 in the blood Hypercapnia: very high CO2 in the blood. What would a patient with both hypoxemia and hypercapnia most likely be diagnosed with? - ANSWER-Hypoventilation What is an MWT's MOST important use? - ANSWER-Measure patients ability to resist the urge to fall asleep Tricyclic antidepressants, large amounts of caffeine and large amounts of chocolate have been known to trigger what? - ANSWER-REM sleep behavior disorder Recommended impedance for eeg and eog - ANSWER-5k ohms The amount of space needed to archive digitized data is MOST impacted by? - ANSWER-Sampling rate Cortical activity is best described as - ANSWER-Spontaneous arousal Calculate the AHI based on the following data 25 obstructive apneas 5 central apneas 23 mixed apneas 15 hypopneas 48 RERAS 65 arousals 360 min of sleep - ANSWER-11 According to RECOMMENDED guidelines, the minimum duration of a significant leg movement is - ANSWER-.5 According to RECOMMENDED guidelines, an optional parameter to include in the report for an adult polysomnogram is - ANSWER-Occurrence of hypoventilation during the diagnostic study in adult The respiratory event that requires oxygen desaturation and/ or an arousal as part of the scoring criteria is - ANSWER-Obstructive hypopnea An ECG arrhythmia commonly seen when recording PSG's, particularly in patients that have obstructive sleep apnea and cardiac disease. It can be identified by the morphology of an irregularly irregular ventricular rhythm associated with replacement of consistent P waves by rapid oscillations that vary in size, shape, and timing - ANSWER-Atrial fibrillation The stage that is the greatest portion of the epoch - ANSWER-The stage that is the greatest portion of the epoch What is the best response when a patient asks the technologist if they have sleep apnea and will need to wear a CPAP mask? - ANSWER-Provide the patient with educational material about sleep apnea