Which type of device uses selective absorption of light through blood vessels?
Oximeter
Which of the following substances is appropriate to use
... [Show More] dor electrode disinfection?
Bleach
00:15
01:30
When a patient with OSA is treated with oxygen (without CPAP) it is:
not effective in reducing apnea frequency.
AASM accredicted sleep disorders centers must have:
an accessible policies and procedures manual.
In a standard polysomnographic hook-up, M1 and M2 are places over the:
mastoid process.
During physiologic calibrations, what is the minimum amount of recording time necessary for the "awake, eyes open" command?
30 seconds.
Electrode impedances should be checked during the recording:
when an artifactual pattern appears
The gold standard method for measuring effort for diagnosing cheyne-stokes respiration is:
esophageal ballon.
To evaluate the residual sleepiness occurring during work activities, the Maintenance of Wakefulness Test (MWT) would be a procedure used:
to assess the ability to resist the urge to fall asleep.
On most sleep operating system, an inverted ECG signal may be corrected by performing all of the following maneuvers EXCEPT :
adjusting the filter setting on the ECG channel.
The primary factor in effective patient education requires establishing:
a rapport with the patient and acquiring trust.
The standard sensitivity setting used in polysomnography for recording EEG, EOG, and EMG channels is:
50 uV/cm
00:02
01:30
Which of the following statements is incorrect concerning restless legs syndrome (RLS)?
RLS must be diagnosed via polysomnogram.
The primary mechanism of therapeutic action in the application of positive airway pressure for the treatment of obstructive sleep apnea is :
increased airway volume and area and reduced lateral pharyngeal wall thickness.
When should supplemental oxygen be added to the circuit during a CPAP or bi-level therapy titration study?
After CPAP or bi-level titration has corrected upper airway resistance and apneas and the patient is still desaturating below the level determined by the physician.
The centers for Medicare Services (CMS) approved definition of a hypopnea is an at least:
30% reduction in airflow or effort compared to baseline lasting at least 10 seconds with a >4% desaturation.
Possible adverse effects with PAP therapy that would require close and frequent follow up with the sleep physician include all of the following EXCEPT:
ear infections. [Show Less]