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[OS 211] 2nd Lecture Exam > [3] Physiology of Sleep and Sleep Disorders > Flashcards

[3] Physiology of Sleep and Sleep Disorders Flashcards

1
Q

What are the stages of sleep?

A

Non-REM 1, 2, and 3

REM

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2
Q

Describe: N1 Stage of Sleep

A

Very light sleep

Easy to awaken

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3
Q

Describe: N2 Stage of Sleep

A

Bulk of Sleep

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4
Q

Describe: N3 Stage of Sleep

A

Deep Sleep

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5
Q

Is there more deep sleep at the start of the night or in the morning?

A

Start of the night

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6
Q

Is there more REM sleep at the start of the night or in the morning?

A

Morning before waking up

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7
Q

Effect of REM Sleep on Heart Rate

A

Increased

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8
Q

Effect of REM Sleep on Penile Erection

A

Increased

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9
Q

Growth Hormone is released during?

A

Slow Wave Sleep

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10
Q

Where is the Circadian Clock located in the brain?

A

Suprachiasmatic Nucleus in the Anterior Hypothalamus

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11
Q

Define: Zeitgeber

A

Any external or environmental cue that entrains or synchronizes an organisms biological rhythms to the Earth’s 24 hour light/dark cycle

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12
Q

Strongest environmental cue to entrain circadian rhythm

A

Sun

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13
Q

Lowest core body temperature occurs at what time of the day?

A

4:30 AM

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14
Q

Highest alertness occurs at what time of the day?

A

10 AM

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15
Q

Most coordination occurs at what time of the day?

A

2:30 PM

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16
Q

Fastest reaction time occurs at what time of the day?

A

3:30 PM

17
Q

Most strength occurs at what time of the day?

A

5 PM

18
Q

Most strength occurs at what time of the day?

A

5 PM

19
Q

Circadian clock is influenced by what hormone?

A

Melatonin

20
Q

Effect of Sleep Deprivation on Ghrelin

A

Increased

21
Q

Effect of Sleep Deprivation on Leptin

A

Decreased

22
Q

Effect of Sleep Deprivation on Growth Hormone

A

Decreased

23
Q

Effect of Sleep Deprivation on IL-6

A

Increased

24
Q

Effect of Sleep Deprivation on TNF-Alpha

A

Increased

25
Q

Define: Obstructive Apnea

A

If during apnea there is effort to breathe

26
Q

Define: Central Apnea

A

If during apnea there is no effort to breathe

27
Q

Classification of Severity of Sleep Apnea

A

30 Severe

Measured by number of obstructive respiratory events

28
Q

Differentiate Acute vs. Chronic Insomnia

A

Acute: 3 Months

[OS 211] 2nd Lecture Exam (11 decks)

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