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Neurology SOH > Sleep > Flashcards

Sleep Flashcards

1
Q

Non REM sleep is usually towards the end of the night. True or false?

A

False

- at the start of the night

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2
Q

What is the most important part of sleep? REM or Non-REM

A

Non REM

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3
Q

Deep sleep is REM or Non REM

A

Non REM

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4
Q

There is increased/decreased brain activity in REM sleep?

A

Increased activity

- it is similar to wakefulness

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5
Q

Most young adults’ sleep is REM or non-REM?

A

Non-REM

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6
Q

In which type of sleep can you not remember what you were dreaming of?

A

Non REM

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7
Q

EEG activity in REM sleep is normal/fast/slow ?

A

Fast

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8
Q 
During non-REM sleep what happens to: 
HR 
BP
Tidal volumes 
Cerebral blood flow
A

HR - decreased
BP - decreased
Tidal volumes - decreased
Cerebral blood flow - decreased

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9
Q

In which type of sleep can you remember what you were dreaming about? REM or Non-REM

A

REM

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10
Q

During REM sleep, cerebral blood flow is increased. True or false?

A

True

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11
Q

As you get older you get more/less REM sleep?

A

Less

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12
Q

Normal circadian rhythm lasts for __ hours?

A

25

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13
Q

Normal circadian rhythm is in sync with a daily cycle. True or false?

A

False

  • daily cycle is 24 hours
  • circadian rhythm is 25 hours
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14
Q

Sleep deprivation symptoms

A

Irritable
Visual hallucinations
Concentration lapses

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15
Q

Roughly which % of RTA’s are sleep related?

A

10

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16
Q

How much sleep per night is acceptable?

A

7 -> 7.5 hours

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17
Q

A mid afternoon power nap of 15 mins is equivalent to __ mins of overnight sleep?

A

90 mins

18
Q

Name 2 sleep disorders

A

Parasomnia

Narcolepsy

19
Q

Patient who is sleep walking, experiences sleep terrors and paralysis, has restless legs and grinds teeth during sleep has which sleep disorder?

A

Non-REM parasomnia

20
Q

Which type of parasomnia occurs in patients with parkinson disease?

A

REM parasomnia

21
Q

Narcolepsy is more common in males. True or false?

A

False

- equally common in M and F

22
Q

Peak ages of onset for narcolepsy

A

15 and 36

23
Q

Narcolepsy - clinical features

A 
Daytime sleepiness 
Hallucinations 
Sleep paralysis 
- unable to move upon falling asleep or wakening 
Cataplexy
24
Q

What is cataplexy (symptom)

A

Sudden physical collapse
Loss of muscle tone
Consciousness remains

25
Q

What is cataplexy triggered by

A

emotion

26
Q

Narcolepsy - investigations

A

Overnight sleep study
Multiple sleep latency test
LP

27
Q

Narcolepsy patients fall asleep very quickly/slowly?

A

Quickly

28
Q

Why is it useful to do a LP in narcolepsy patients ?

A

Low CSF hypocretin levels are consistent with narcolepsy

29
Q

What are hypnagogic hallucinations?

A

hallucinations occurring at sleep onset

30
Q

Narcolepsy patients go into REM or non-REM sleep first?

A

REM

31
Q

Usually get REM sleep at the start/end of the night?

A

End

32
Q

The following describes REM or Non-REM sleep disorders:
Easier to wake up from
Good recall of vivid dream on wakening

A

REM

33
Q

In most RTAs caused by sleep deprivation, the driver has been acutely/chronically sleep deprived?

A

acutely

34
Q

Which type of sleep is responsible for protein synthesis, cell division and growth?

A

Non-REM sleep

35
Q

Which type of sleep is responsible for consolidation of memories and maintaining immunocompetence ?

A

REM sleep

36
Q

Which type of sleep is important for early brain development?

A

REM sleep

37
Q

What is the name given group of sleep disorders that involve unwanted events or experiences that occur while you are falling asleep, sleeping or waking up

A

Parosomnias

38
Q

Muscle recovery takes place during sleep. True or false?

A

False

39
Q

REM sleep behaviour is often seen preceding which condition?

A

parkinsons

40
Q

What test an be done to investigate narcolepsy are what are the likely findings?

A

Sleep latency test

  • REM sleep at the beginning
  • Patient falls asleep quickly
41
Q

Which type of sleep is most important for the consolidation of memories. REM or Non-REM ?

A

REM

Neurology SOH (31 decks)

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