Exam 3 Flashcards
Oxygen in sleep lab
Poses?
Dangers
Poses prolong physiologic consequences:
Prolong alveolar oxygen levels with oxygen toxicity
Dangers
highly flammable
Highly explosive
Hypoxic drive ?
Predominate stimulus to?
Secondary drive associated with ?
Some chronic diseases cause ?
In pt sensitivity to _______ becomes______ and that _____ becomes the predominate stimulus to_______
Pt drive to breath can be diminished with _______
Carbon dioxide
Hypoxemia ( hypoxic drive)
Chronic hypercarbia ( hypercapnea ) ( elevated PaCO2)
Sensitivity to Carbon dioxide becomes
Blunted and that Hypoxia becomes the
Predominate stimulus to breath ( hypoxia the state of low oxygen levels
Their drive to breathCAN be diminished with the admin of oxygen
EMG parameter
LFF
HFF
TC
EEG/EOG
LFF
HFF
TC
EMG
LFF 5
HFF 90-100 HZ
TC 0.03
EEG/EOG
LFF 0.3
HFF 35
TC 0.4
Short time constant should be used when recording which of the following physiologic variable? A. EEG B. EOG C. EMG D. Respirations
C. EMG
When scoring an MSLT sleep onset is defined as the elapsed time from?
Lights out to the first epoch scored SLEEP
Uvulpalatopharyngoplasty ( UPPP)
Is what?
Removes what?
Most common surgical procedure to treat OSA
Removal Portion of soft palate Uvula Tonsils Limited wall if pharyngeal
Hypoxia
Lack of oxygen
BMI
Formula
Under wt Healthy wt Over wt Obesity Morbid obesity
Under wt
Hyperventilation def
Abnormal fast - deep type breathing
Hyperpnea-def
Abnormal increase both in rate and depth of respiration
Hypopnea def
Abnormal decrease in both rate and depth of respiration
84 when scoring an apnea/ hyponea event of short duration the tech may notice?
B. No evident desat
82 Rem cycles are calculated?
C. From the end of one REM period to the beginning of the next
80 A REM latency of _____ would be considered normal in an adult
90- 120 min
- Total sleep time is
Total of non REM + REM sleep time
The percentage of stage REM is based on the
Total sleep time
When scoring the PSG , the REM latency is generally calculated
B from sleep onset
Scoring of an obstructive hypopnea maybe aided greatly by
A esophageal pressure measurements
B. IntercostalEMG recording
C. Diaphragmatic EMG
D. All of the above is the answer D
72 sleep efficiency is
B. the ratio if total sleep time to time in bed
- The duration of an ape uv episode is calculated from the
B. End of exhalation to the beginning of the next inhalation
- Body movement s
Are discrete physiologic events, which can occur during stages or movement time
- The average number of Apneas and hypopnea. Per hr of sleep is th
D. RdI respiratory disturbance index
- The formula for calculation of the PLM arousal index is
A. The number of PLMs with arousal times60 by TST total sleep time
77 the occurrences of multi k complex at the termination of an apnea without an accompanying EEG frequency shift
Is scored as an arousal if preceded by 10 sec of continuous stage 1 sleep
78 the major goal for defining movement arousals is to
C. Signal the possibility of a stage chAnge
79 sleep stage percentage maybe calculated by using
A. Total sleep time (dark time )
B. Total sleep time ( total non rem + total rem)
C. Sleep period time ( time from sleep onset to sleep offset including intervening arousals)
D any or all the of the above
D all the above
A . total recording time (dark time)
B. Total sleep time ( total non REM+ total REM
C sleep period time ( time from sleep onset to sleep offset including intervening arousals)
- Sleep spindles
A are 9-13 cps waveforms
B. Wax and wane in amplitude
C are at least .05 sec in duration
D. All of the above
D. All the above
- K complex
Have an initial negative deflection followed by a positive deflection
