Practice Test REAL EXAM
QUESTIONS AND CORRECT
VERIFIED ANSWERS/ ALREADY
GRADED A+ (BRAND NEW!!)
The purpose of an intentional mask leak is to... - ✔✔✔ANSW✔✔..Wash out CO2
and prevent rebreathing
Recommended guidelines state that HSV can be considered when.... -
✔✔✔ANSW✔✔..Cheyne Stokes and central Apneas have not been eliminated.
What is aerophagia? - ✔✔✔ANSW✔✔..The swallowing of air
What is maxillomandibular advancement? - ✔✔✔ANSW✔✔..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? - ✔✔✔ANSW✔✔..To
eliminate desaturations and arousals.
,According to guidelines, how many Hypopneas need to occur in peds pts prior to
increasing pressure? - ✔✔✔ANSW✔✔..1
What are the AASM guidelines for supplemental O2 during PAP studies? -
✔✔✔ANSW✔✔..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? - ✔✔✔ANSW✔✔..IPAP: 14
EPAP: 10
Which of the following can reduce the effectiveness of CPAP and why: Nasal
spray, Alcohol, Anti depressants. - ✔✔✔ANSW✔✔..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? -
✔✔✔ANSW✔✔..Overlap syndrome
What are hypoxemia and hypercapnia? - ✔✔✔ANSW✔✔..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? - ✔✔✔ANSW✔✔..Hypoventilation
,What is an MWT's MOST important use? - ✔✔✔ANSW✔✔..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? - ✔✔✔ANSW✔✔..REM sleep behavior
disorder
Recommended impedance for eeg and eog - ✔✔✔ANSW✔✔..5k ohms
The amount of space needed to archive digitized data is MOST impacted by? -
✔✔✔ANSW✔✔..Sampling rate
Cortical activity is best described as - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..11
According to RECOMMENDED guidelines, the minimum duration of a significant
leg movement is - ✔✔✔ANSW✔✔...5
, According to RECOMMENDED guidelines, an optional parameter to include in
the report for an adult polysomnogram is - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..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 - ✔✔✔ANSW✔✔..Atrial fibrillation
The stage that is the greatest portion of the epoch - ✔✔✔ANSW✔✔..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? - ✔✔✔ANSW✔✔..Provide the patient
with educational material about sleep apnea
Which of the following is the MOST LIKELY cause of a 35 minute REM latency -
✔✔✔ANSW✔✔..Untreated depression
A breathing pattern characterized by at least three cycles of crescendo breathing
with duration of at least 10 minutes is - ✔✔✔ANSW✔✔..Cheyne Stokes
respiration