during the occurrence of REM sleep.

As a person ages, the total amount of time that they spend asleep each night ...

decreases; the proportion of time spent in NREM increases.

The SCN activates the

The Pineal Gland which activates the release of Melatonin

According to the evolutionary theory of sleep, the purpose of sleep is to enhance survival by..

causing it to attract less attention to itself while asleep.

Which of the following statements is true of the cycles in a typical night’s sleep?

Periods of REM get longer/closer together through the night

The proportion of rapid eye movement (REM) sleep to non-rapid eye movement (NREM) sleep is:

Greater in infancy than later in the lifespan

The sleep-wake cycle shift in adolescents means

they go to bed late and wake late

REM sleep ________, whereas NREM sleep _________.

Repairs the mind; repairs the body.

The restoration theory of sleep proposes that sleep

enables damaged cells to be repaired.

What would a comparison of sleep between typical adolescents and children show?

Children spend proportionately less time in slow-wave sleep.

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VCE PSYCH Unit 4 - Sleep

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Questions 22

Answers

1
Dreams usually occur
if you go to sleep with a full stomach.
during sleep spindles.
during the occurrence of REM sleep.
because of sleep paralysis.
2
The first ultradian rhythm differs from the last, as the first of the night involves
frequent brief awakening
only Stage 2 and Stage 3 of NREM sleep
more time spent in REM sleep
more time spent in NREM sleep
3
Cortisol peaks at
8pm
midnight
midday
8am
4
When taking stimulants the brain wave pattern would show
theta
beta
alpha
delta
5
when taking a depressant the brain wave pattern would show
delta
beta
theta
alpha
6
Elderly people generally sleep
a lot more in NREM than in earlier stages of their life
a lot more in REM than in their earlier stages of life
20% in REM
throughout the night
7
Babies sleep
20% in REM
80% in REM
16 hours a day in total
20 hours a day in total
8
Delta brain wave pattern has
high frequency
low amplitute
high amplitude
no frequency
9
As a person ages, the total amount of time that they spend asleep each night ...
does not change in relation to % of time spent in REM & NREM
decreases; the proportion of time spent in REM increases.
increases; & the proportion of time spent in REM increases.
decreases; the proportion of time spent in NREM increases.
10
The sleep-wake shift is usually
3-4 hours
2-3 hours
less than 1 hour
1-2 hours
11
The SCN activates the
The release of Cortisol from the Pineal Gland at night.
The Pineal Gland which activates the release of Melatonin
The release of Cortisol in the morning
The release of Melatonin
12
According to the evolutionary theory of sleep, the purpose of sleep is to enhance survival by..
reducing the amount of energy it needs.
conserving energy in order to escape from predators.
causing it to attract less attention to itself while asleep.
rejuvenating the body and mind.
13
Which of the following statements is true of the cycles in a typical night’s sleep?
Periods of REM get longer/closer together through the night
About 80% of the night is spent in REM sleep
Periods of Stage 4 occur more frequently through the night.
Each cycle of sleep lasts for approximately 20 minutes.
14
An affective symptom of sleep deprivation
droopy eyelids
irrational thoughts
lack of motivation
increased sensitivity to pain
15
The proportion of rapid eye movement (REM) sleep to non-rapid eye movement (NREM) sleep is:
Lower at birth and equal in later adolescence
Lower at birth and higher in late adolescence
Greater in infancy than later in the lifespan
Equal across the lifespan
16
The sleep-wake cycle shift in adolescents means
they go to bed late and wake early
they go to bed early and wake late
they go to bed late and wake late
they fall asleep easily when tired
17
Our circadian rhythm is on a ______ cycle, whereas ultradian is __________.
Less than 24 hours; 23 hours.
12 hour; 24 hour cycle.
24 hours; 24 hour loop.
24 hours; less than 24 hours.
18
B is a healthy 55yo who sleeps an average of 7hrs p/night. It is likely that his sleep pattern
is abnormally short for a man of his age
is normal for a man of his age
is likely to consist of more 3 & 4 NREM than other stages.
demonstrates partial sleep deprivation
19
Which indicates a typical night of sleep for an adult? Duration(mins) & number of sleep cycles
30–40, 1 or 2
60–70, 4 or 5
90–120, 4 or 5
10–15, 4 or 5
20
REM sleep ________, whereas NREM sleep _________.
Repairs the body; repairs the mind
Repairs the mind; repairs the body.
is for jamming out; is for resting and recovering.
is paradoxical sleep; is mostly for dreaming.
21
The restoration theory of sleep proposes that sleep
protects an organism from predators.
enables damaged cells to be repaired.
occurs at particular times programmed by the brain.
allows the organism to conserve energy.
22
What would a comparison of sleep between typical adolescents and children show?
Children spend proportionately less time in slow-wave sleep.
The amount of time spent in slow-wave sleep is similar.
Adolescents spend proportionately more time in REM sleep.
Children have later sleep onset than adolescents.

VCE PSYCH Unit 4 - Sleep Flashcards | StudBud