NEW
Font size
WorksheetsChapter 9 MCQs
Total questions: 15
Worksheet time: 12mins
As we drift in and out of sleep at the start of a typical night’s sleep, we normally enter a sleep period known as ________ sleep.
REM
NREM
slow wave
deep
EOG records of a young adult during NREM stage 3 are likely to indicate
coordinated eye movements.
uncoordinated eye movements.
rapid eye movements.
no eye movements.
As the sleep episode progresses, the
duration of REM sleep increases.
duration of slow wave sleep increases.
duration of REM sleep decreases.
duration of REM remains stable.
Which two NREM stages are most alike in terms of commonly measured physiological responses?
1 and 2
1 and 4
2 and 3
3 and 4
Which of the following is true of REM sleep?
Muscle tone decreases appreciably during REM sleep.
The first REM period in the first sleep cycle of a young adult has a duration of about 50 minutes.
Brain wave activity decreases appreciably during REM sleep.
The first REM period in the first sleep cycle of a newborn infant occurs after an NREM sleep cycle.
Muscle tone, eye movements and other physiological responses commonly measured during NREM sleep tend to be at their highest activity level in stage
1
2
3
4
Which NREM stage has the highest arousal threshold?
1
2
3
4
The hypnogram pictured shows the sleep of a/an healthy
infant.
child.
young adult.
elderly person.
Approximately how old is the person whose hypnogram is pictured here?
0–2 weeks
14–19 years
30–50 years
70 years+
The hypnogram pictured shows that the person experienced
consolidated sleep.
mostly light sleep.
mostly deep sleep.
a prolonged period of NREM stage 4 sleep.
How soon after a healthy young adult falls asleep are they normally likely to experience REM sleep in a typical sleep episode?
immediately
about 1–5 minutes
after the first sleep cycle
about 80–90 minutes
In a typical sleep night’s sleep, ________ tend to predominate during the first half, whereas ________ tend to predominate in the last half.
NREM stages 3 and 4; REM and NREM Stage 2
NREM stages 1 and 2; REM and NREM Stage 2
REM and NREM Stage 2; NREM stages 3 and 4
NREM stages 1 and 2; NREM stages 3 and 4
Which of the following is most correct for a healthy adult?
A sleep episode is made up of several sleep cycles.
A sleep cycle is made up of several sleep episodes.
A sleep cycle is made up of circadian rhythms.
A circadian rhythm is made up of sleep episodes.
The name of the hormone that makes us feel drowsy is
dopamine
glutamate
melatonin
serotonin
Restoration theory proposes that ________; while Evolutionary theory proposes that __________.
sleep occurs to help us survive; we sleep while it is dark because this is the safest option
sleep helps us replenish resources; sleep occurs to optimise brain function when it is light.
sleep occurs to help us survive; sleep is helpful for mental and physical wellbeing
sleep helps us replenish resources; sleep occurs to protect us during the night when it is most risky to move about.
