Sleep 1 Flashcards
1
Q
Which type of sleep stage?
- Low amplitude
- Mixed frequency EEG (similar to ____)
- Bursts of rapid eye movements (similar to eyes open wakefulness)
- EMG activity ____ in nearly all skeletal muscle (brainstem mediated muscle atonia)
A
Rapid Eye Movment (REM)
- N1
- absent
2
Q
Which type of sleep stage?
- 3 stages (N1, N2, N3)
- Increased arousal threshold & slowing of corticol EEG as move through the 3 stages
A
Non-rapid eye movement (NREM) sleep
3
Q
- NREM and REM sleep alternate throughout the night, w/ an avg period of ___ to ___ mins
- Is more time spent in REM or NREM?
- Which stage of NREM gradually decreases throughout life?
A
- 90 - 110 mins
- NREM
- N3 (most regenerative stage)
4
Q
- Body paralysis
- If awoken, usually vivid recall of dream imagery
A
REM
5
Q
Which sleep stage?
- between wakefulness & deeper sleep
- May respond to faint auditory or visual signals
- Formation of short term memories inhibited
- If awoken, lack situational awareness
A
N1 of NREM
6
Q
Which sleep stage?
- slow wave sleep
- regenerative
A
N3 of NREM
7
Q
BP and HR
- Decrease during _____
- Large variations during _____
A
- Decrease: NREM sleep (esp. N3)
- Variable: REM sleep
8
Q
Describe respiratory rate in NREM vs REM sleep
A
- NREM: slower, but regular (esp. N3)
- REM: irregular during bursts of REM
9
Q
Endocrine
- ____ secretion in men which occurs in AM or PM?
- ____ secretion augmented
- Sleep onset & N3 sleep associated w/ inhibition of ___ and ___
- Sleep efficiency is highest when sleep episode coincides w/ endogenous ___ secretion
A
- GH in men at night
- Prolactin augmented
- inhibition of TSH & ACTH-cortisol axis
- endogenous melatonin secretion
10
Q
- Over 50% of US adults have at least ____ sleep disturbance
- 30% of US adults report _____
- Sleep deprivation degrades ____ _____.
- Sleep deficiency may cause _____ contributing to development of what 7 things?
A
- intermittent
- consistently obtaining a sufficient amount of sleep
- cognitive performance
-
glucose intolerance –>
- DM / obesity / metabolic syndrome / impaired immunity / accelerated atherosclerosis / cardiac disease / stroke
11
Q
- Average adult needs___ hours of sleep
- Most teens need ___ hours of sleep
- Causes what 4 things?
- Difficulty with what 3 things?
A
- Adult: 7.5 - 8 hrs
- Teens: 9+
- Causes: inattentive, irritable, unmotivated, depressed
- Difficulty w/: school, work, driving
12
Q
7 essential components of PE for sleep disorders
A
- Airway
- Tonsils
- Neuro (mental status)
- Musculoskeletal
- Cardiac
- Pulm
- Abd
13
Q
Duration of daily sleep log?
A
1-2 weeks
14
Q
What is the dx tool for sleep disorders?
What medical setting can these tests be done?
- What are the 3 types?
A
Polysomnography
Sleep lab
- Electroencephalogram (EEG)
- Electrooculogram (EOG) –> measures eye mvmnt activity
- Surface electromyogram (EMG) –> measured on chin, neck, legs
15
Q
Polysomnography (EEG, EOG, EMG) measures what 5 things?
A
- Sleep stages
- Resp effort/airflow
- O2 sat
- limb movement
- heart rhythm
16
Q
Which test?
- Focus is on respiratory measures
- Helpful for Obstructive Sleep Apnea (OSA)
- *is only appropriate for pt that you think might have OSA)
A
Home sleep test
17
Q
Which test?
- Measures propensity to sleep during day
- Helpful for narcolepsy (pt goes into REM right away)
- How many minutes within falling asleep is significant for narcolepsy?
A
Multiple Sleep Latency Test (MSLT)
- 8 mins