RPSGT Practice 2024 (1)
(Polysomnography) Exam – Questions
and Answers
While reviewing the scoring report, the technologist noticed that the lowest
SpO2 is listed as 0%. What should the technologist do next? - -Review the
study, and label bad data where the pulse oximeter failed.
-During a multiple sleep latency test, how is sleep onset defined? - -The first
30-second epoch in which there is more than 15 seconds of cumulative sleep
-Where are the reference electrodes M1 and M2 placed on the head? - -In
the preauricular area behind the ear or the earlobes
-Biocalibrations are done when? - -Biocalibrations are done at the beginning
and the end of every study performed.
-Patients should be ask to lie___________________ - -supine and still during
biocalibrations.
-Patients who suffer from frequent sinus infections should be advised not to
wear which of the following masks? - -Nasal-pillow masks
-What is the recommended minimum/maximum differential for IPAP and
EPAP settings during a BiPAP titration? - -4-10 cm apart
AASM recomends that IPAP and EPAP remain at least4 cm apart/ yet no
higher than 10 in special circumstances and complicated patients.
-The physician's orders indicate that the patient is in the lab for a CPAP
titration study; however, the patient insists he has never had a sleep study
before. All of the following solutions would be acceptable to resolve this
situation ___________________________________ - -call a member of the lab
management team/ run the study according to the physician's orders without
verification/ attempt to contact the ordering physician, and verify the
medical intent.
-An artifact that results from salt bridges is most likely caused
by________________________________ - -incorrect measuring/ prepping too large
an area / allowing tape or gauze from different lacations to make contact
-Consuming alcoholic beverages before a sleep study is likely to have which
effect on the patients sleep architecture? - -Reduced sleep latency
,-Which electrode site is found halfway between the inion and the nasion? - -
Cz
-Which impedance level is considered acceptable for EMG channels, such as
limbs or chin? - -Less than or equal to 10 kΩ
-What condition would require a full face mask or oral mask during a CPAP
study? - -The patient has a deviated septum
-Why is precise measurement of the head important for a PSG? - -Artifacts
can be caused be improper placement of electrodes, observation of
important waveforms require precise placement and it is also omportant for
the identification of sleep onset and specific sleep stages
-All of the following are indications that a patient is entering stage N1 sleep
from the wake stage EXCEPT...... - -the eyes mirror the EEG frequencies
which happens in N2 and N3
-All of the following tasks must be completed before beginning the PSG...... -
-the patient signs a consent form, biocalibrations at the begining and the end
of each study are done by the tech and pre-sleep questionnaire is completed
by patient
-A patient suffering from a seizure must be admitted to the hospital rather
than continuing the sleep study in all of the following circumstances when
the patient - -When a patient has one seizure, the seizure should last more
than 5 mins to constitute an emergency situation wherein the patient is
admitted rather than continuing said sleep study. Any time multi seizures
take place the patient should be sent to hospital for admission
-Where should the conductive paste be placed in relation to the gold cup
wire? - -Inside the gold cup
-Gloves should be used by the technologist when in contact with all of the
following EXCEPT the - -Hair is the only place where it is not necessary to
wear gloves. All areas that have been cleaned and sanitized with cotton
swap gloves must be worn.
-Average volume-assured pressure support focuses on maintaining which
aspect of the respiratory process? - -Tidal volume
-True statements about how a technologist should respond when a patient
experiences a seizure include all of the following - -Never attempt to touch,
hold or restrain a patient while a patient is having a seizure, remove any
objects near by that could injure the patient,avoid placing anything in the
, patients mouth or prying the mouth open and avoid giving liquids during or
after the seizure
-Following proper prep swabbing, the skin at the prep site should be in
which of the following conditions? - -Slightly abraded and clear of debris
-How often should sleep technologists participate in quality assurance
reviews of their performance? - -Quarterly
-If a patient has issues with mouth breathing while using a nasal-only mask,
in which order should the technologist work to alleviate the problem? - -
AASM recommends that you apply or increase heated humidity settings,
offer a nasal spray for congestion, apply a chin strap, attempt to flex the
comfort settings and then switch to a full face mask.
-On which muscles are the leg EMG leads placed, and how far apart should
they be from one another? - -Anterior tibialis, 2 cm apart
-When should technologists test their equipment for accuracy and function?
- -Upon arriving at the lab
-What is the purpose of CPAP interface desensitization? - -Identify the best
fitting mask for the patient, help the patient become more comfortable with
the idea of wearing a mask, to reduce the risk of anxiety and noncompliance
with the mask or equiptment
-Which channels are necessary for the software montage for a multiple
sleep latency test? - -Chin EMG, EOG monitors, EEG leads & EKG monitors
-Which two points on the international 10-20 system of electrode placement
are used to locate F3? - -FZ and F7
-When faced with thick, bold, high-frequency artifacts in the EEG, what filter
adjustment should be attempted first during troubleshooting? - -Turn the
notch filter on
-Which of the following EEG waveforms are in the correct order from the
highest to the lowest frequency? - -beta, alpha, theta, and delta
-According to guidelines from the American Academy of Sleep Medicine,
what is required to run a multiple sleep latency test?. - -An overnight PSG
recording
-An example of a sleep technologist acclimating a patient to the testing
room includes which of the following? - -Explaining to the patient how to
communicate with the technologist if assistance is needed
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