Which of the following is the MOST important reason to perform physiologic
calibrations prior to performing a PSG study?
~ Assess function of the devices hooked up to the patient.
A uniform method to protect patients and personnel against infectious disease will
require:
~ High level disinfe...
Research has shown that patients with narcolepsy with cataplexy have a deficiency
of:
✓✓~ Hypocretin
The measure taken during MSLT with the best sensitivity and specificity for
narcolepsy is:
✓✓~ 2 or more episodes of stage R sleep
The narcolepsy tetrad includes
✓✓~ Excessive daytime sleepiness, sleep paralysis, hypnagogic hallucinations, and cataplexy
Sleep restriction therapy is useful in improving:
✓✓~ Sleep efficiency
The most common cause of excessive daytime sleepiness is:
, ✓✓~ Insufficient sleep and poor sleep hygiene
The new approach to insomnia is that most patients have:
✓✓~ Comorbid insomnia
Speilman's model of insomnia includes 3 factors:
✓✓~ predisposing, precipitating, and perpetuating
A sleep study would be appropriate for an insomnia patient:
✓✓~ Who fails to respond to treatment
An actigraph can be used to monitor patients with insomnia . In interpreting the
output, sleep is presumed to occur when:
✓✓~ There is little to no movement
The most common treatment for narcolepsy is:
✓✓~ Medications to counteract sleepiness
Jactatio capitis is another name for what?
✓✓~ Head banging, rhythmic movement disorder
Sinus arrhymia tends to be seen more in:
, ✓✓~ Young and physically fit adults
Fuses and circuit breakers respond to which of the following?
✓✓~ Circuit overloads
Which of the following is most attenuated by a low pass filter or high frequency of 15
Hertz?
✓✓~ 30 Hz
If a single spindle or K complex is recorded during an epoch where the chin EMG is
at REM level and the preceding and succeeding epochs are REM and contain no
sleep spindles, the epoch is scored what stage?
✓✓~ REM
Sensitivity effects what?
✓✓~ Amplitude-height
Frequency
✓✓~ width
What physiological parameters will be most affected by a 60 Hz notch filter?
✓✓~ EMG
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