Deck 5: B: Consciousness

Question 1

Which device would a sleep researcher use to monitor a sleeping person's brain waves?

A)electromyogram (EMG)
B)electrocardiogram (EKG)
C)electro-oculogram (EOG)
D)electroencephalogram (EEG)

Answer 1

D

Question 2

_______________,a hormone involved in the regulation of circadian rhythms,is secreted by the pineal gland.

A)Norepinephrine
B)Testosterone
C)Estrogen
D)Melatonin

Answer 2

D

Question 3

A biological cycle,or rhythm,that is approximately 24 hours long is called a(n)___________ cycle.

A)infradian
B)circadian
C)diurnal
D)ultradian

Answer 3

B

Question 4

While university students may sometimes be an exception,most humans sleep at night and are awake during the day.What maintains this relationship?

A)The eye relays messages to the brain about light levels,which synchronizes the circadian rhythms to the day-night cycle.
B)People get more exercise during daylight,which promotes alertness and wakefulness.
C)Ambient air temperature is cooler at night,which triggers the body to sleep.
D)Our internal biological clock is synchronized with the day-night cycle when we are born.

Question 5

You are watching sleep researchers monitor the sleep of a normal adult.The participant is hooked up to an EEG.What brain waves would you observe as the person becomes drowsy and then enters the first stage of sleep?

A)alpha eventually replaced by delta
B)delta eventually replaced by theta
C)alpha eventually replaced by theta
D)delta eventually replaced by beta

Question 6

Emily is currently in Stage 1 sleep.This means she is

A)experiencing theta waves and light sleep.
B)experiencing delta waves and walking in her sleep.
C)relaxed but awake.
D)hard to rouse and her muscles are completely relaxed.

Question 7

Our sleeping-waking cycle follows a(n)__________ rhythm.

A)infradian
B)circadian
C)diurnal
D)ultradian

Question 8

Which of the following statements accurately reflects the relationship of the amount of sleep that an individual receives as a function of age?

A)We require more sleep as we age.
B)As we age,we tend to need less sleep.
C)We require much sleep during infancy and early childhood,less sleep in adolescence and early adulthood,and then more sleep in middle and older age.
D)The amount of sleep we require does not follow a consist pattern as we age.

Question 9

Which of the following is true of circadian rhythms?

A)They are artificial inventions of timekeepers.
B)They are internally driven cycles.
C)They are sequences of events that occur once a month.
D)They occur on the same schedule regardless of the changes from day to night.

Question 10

Kendra is on a camping trip with several generations of her family.One night,the group decides to wake up the next morning at first light and go on a long dawn hike.If the sleep habits of her family members are typical for their ages,what should happen on the morning of the hike?

A)The middle-aged adults will be groggier and less alert than the teenagers.
B)The middle-aged adults will be more alert and function better than the teenagers.
C)The youngest children in the group will be the most alert because they require the least amount of sleep.
D)Everyone will be equally alert,regardless of age.

Question 11

Yusef spends a night at a sleep clinic.The technicians at the clinic hook Yusef up to sensors to measure respiration,body temperature,muscle movements,and brain activity while he sleeps.What technique is the clinic using to study Yusef's sleep pattern?

A)positive sleep state analysis (PSSA)
B)somnambulism
C)polysomnography
D)biofeedback

Question 12

SCN stands for

A)stop control now.
B)suprachiasmatic nucleus.
C)serotonin controlled nucleus.
D)sleep control nucleus.

Question 13

The hormone melatonin reaches peak levels in the body during the

A)morning.
B)early evening.
C)afternoon.
D)night.

Question 14

The sleep-wake cycle is ultimately controlled by the part of the brain called the

A)optical nerve.
B)substantia nigra.
C)suprachiasmatic nucleus.
D)median forebrain bundle.

Question 15

What is the primary stimulus that regulates the "biological clock" that controls circadian rhythms?

A)light
B)taste
C)smell
D)touch

Question 16

Where is the suprachiasmatic nucleus located?

A)thalamus
B)cerebellum
C)basal ganglia
D)hypothalamus

Question 17

When endogenous rhythms are studied by removing all external cues for what time of day it is,what duration of circadian rhythm do most people adopt?

A)a rhythm that is between 23 and 24 hours long
B)a rhythm that is 24 to 25 hours long
C)a rhythm that is 25 to 26 hours long
D)People do not establish a normal rhythm when cues about time of day are removed.

Question 18

What term do psychologists use to designate our personal awareness of feelings,sensations,and thoughts?

A)thinking
B)cognition
C)conscience
D)consciousness

Question 19

A circadian cycle is about ______ hours long.

A)1.5
B)6
C)12
D)24

Question 20

A person's subjective awareness,including thoughts,perceptions,experiences of the world,and self-awareness is called

A)intelligence.
B)consciousness.
C)mindfulness.
D)creativity.

Question 21

The deepest stage of sleep is __________ sleep.

A)stage 1
B)stage 2
C)REM
D)stage 4

Question 22

Marsha is a participant in a sleep study.After about 30 minutes of sleep,she enters stage 4.What are the researchers most likely to observe when studying Marsha during this period?

A)slow,rolling eye movements
B)reports of vivid,unrealistic dreams if Marsha is awakened
C)slow brain waves called delta waves
D)fast,brain waves called alpha waves

Question 23

Kendra stays up all night partying with her friends.Based on sleep deprivation research,what is she likely to experience the next day?

A)normal levels of wakefulness
B)sleepiness for the entire day
C)periods of sleepiness and periods of normal wakefulness
D)severe cognitive impairment for the entire day

Question 24

Emilio is currently in stage 2 sleep.This means his EEG is showing __________ waves.

A)only delta
B)occasional delta
C)occasional bursts of rapid,high-peaking
D)only small,irregular

Question 25

According to this hypothesis,sleep is necessary for fixing the wear and tear caused to the body during the day.

A)restore and repair
B)activation-synthesis
C)preserve and protect
D)problem-solving

Question 26

Short,rhythmic bursts of brainwave activity that appear during stage 2 sleep are called

A)delta waves.
B)sleep spindles.
C)paradoxical sleep waves.
D)beta waves.

Question 27

Which explanation of why we sleep would predict that long-term sleep deprivation would cause cognitive declines and physical problems,such as an impaired immune system?

A)preserve and protect
B)activation-synthesis
C)restore and repair
D)problem-solving

Question 28

A person who gets very little sleep one night is likely to spend an increased amount in ____________ sleep,relative to the other stages,the following night.

A)stage 1
B)stage 2
C)stage 4
D)REM phase

Question 29

John will likely experience REM rebound tonight if he

A)takes a sleeping pill before bed tonight.
B)drinks too much caffeine prior to sleeping.
C)did not sleep much last night.
D)slept more than eight hours last night.

Question 30

During which sleep stage do sleep spindles first occur?

A)stage 1
B)stage 2
C)stage 3
D)stage 4

Question 31

_____________ is the discomfort one feels when sleep cycles are out of synchronization with light and darkness.

A)REM rebound
B)Jet lag
C)Sleep displacement
D)Sleep state misperception

Question 32

Periods of REM sleep alternate with periods of non-REM sleep in a cycle that recurs about every _____________ minutes or so.

A)30-40
B)90-100
C)150-160
D)210-220

Question 33

People in stage 4 sleep

A)dream all the time.
B)are hard to wake up.
C)are easy to wake up.
D)hallucinate.

Question 34

Which is the stage of sleep from which you would be most easily awakened?

A)stage 1
B)stage 2
C)stage 3
D)stage 4

Question 35

Brain activity during sleep

A)is relatively uniform,and does not change throughout the night.
B)is very similar to activity during the waking state.
C)is almost nonexistent.
D)is correlated with changes in muscle tension,breathing,and other physiological responses.

Question 36

Maxine is currently sleeping.She is continuing to experience delta waves and she is very hard to rouse.Maxine is in __________ sleep.

A)stage 1
B)stage 2
C)stage 4
D)REM

Question 37

Which of the following statements supports the "preserve and protect" hypothesis of sleep?

A)People tend to require more sleep after a hard day of work.
B)Sleep deprivation can lead to impaired cognitive abilities.
C)Jet lag is usually worse when traveling east than it is when traveling west.
D)Many small animals sleep during the day,when they could be easily seen by a predator.

Question 38

What term do sleep researchers use to designate stages 1-4 of sleep?

A)REM sleep
B)Non-REM sleep
C)REMN sleep
D)paradoxical sleep

Question 39

REM sleep has been called "paradoxical sleep" because

A)the brain is very active,yet the body is entirely inactive.
B)the body is very active and restless,but the brain is very inactive.
C)the eyes are open,though the person remains asleep.
D)colourful dreams occur,in contrast to the black-and-white dreams of NREM sleep.

Question 40

Summer and Freddy are walking through the woods late at night."It's so dark out here,we could walk over a cliff without even knowing it or get attacked by a bear!" says Freddy."We should be asleep in bed instead of walking around at night." Freddy's comment reflects the logic behind which explanation of why we sleep?

A)activation-synthesis
B)preserve and protect
C)restore and repair
D)problem-solving

Question 41

Cory is in therapy due to trauma he experienced as a child.His Freudian-trained therapist regularly asks him about his dreams.The therapist is interested in his dreams

A)in order to gain insight into his motives,desires,and conflicts of which he is unaware.
B)because he wants to understand Cory's random brainstem signals.
C)in order to help him resolve current concerns and problems he is consciously aware of.
D)as a way to help him eliminate or strengthen neural connections.

Question 42

The best adjectives associated with the activation-synthesis hypothesis are

A)bizarre,meaningless,and random.
B)unconscious,symbolic,and meaningful.
C)meaningful,problem-oriented,and historical.
D)intelligent,free,and neurotic.

Question 43

Jet lag is typically the worst when travelling

A)north.
B)south.
C)east.
D)west.

Question 44

If Alice's strange adventures in Wonderland were actually the dreams of a young girl,they probably occurred when she was in __________ sleep.

A)stage 1
B)stage 2
C)stage 4
D)REM

Question 45

Manifest content is to latent content as

A)obvious is to symbolic.
B)wish is to fulfillment.
C)symbolic is to obvious.
D)unconscious is to conscious.

Question 46

The dream theory that thoughts and concerns are continuous from waking to sleeping,and that dreams may function to facilitate finding solutions to problems encountered while awake,is known as the

A)problem-solving theory.
B)cognitive-dream theory.
C)psychoanalytic approach.
D)activation-synthesis hypothesis.

Question 47

According to Sigmund Freud,the important underlying meaning of our dreams is found in the

A)deep content.
B)latent content.
C)manifest content.
D)subliminal content.

Question 48

The activation-synthesis theory proposes that

A)the brain tries to make sense of random neural activity by creating dream narratives.
B)the cortex is inactive during dreaming,so dreaming is completely controlled by the brainstem.
C)the activity in the brainstem constructs or synthesizes dream narratives.
D)dreams are active attempts to synthesize solutions to problems.

Question 49

According to Freud,the visible,or directly observable,content of a dream is its __________ content.

A)primary
B)secondary
C)manifest
D)latent

Question 50

Steve is currently undergoing psychoanalysis.His therapist asks him to write down everything he remembers about his dreams upon awakening.According to Freud's theory of dreaming,Steve is writing about the __________ content of his dreams.

A)latent
B)patent
C)manifest
D)marginal

Question 51

Dr.Sanchez is a psychoanalyst who is interested in analyzing dreams using Freud's perspective.As a psychoanalyst,he focuses on interpreting the __________ content of his clients' dreams in an attempt to understand their unconscious wishes and thoughts that may be expressed symbolically in their dreams.

A)latent
B)patent
C)manifest
D)marginal

Question 52

The activation-synthesis hypothesis of dreaming states that

A)the purpose of dreaming is to express unconscious wishes,thoughts,and conflicts.
B)there is no purpose to dreaming;dreams occur because of random brainstem signals.
C)the purpose of dreaming is to resolve current concerns and problems.
D)dreaming is a by-product of a process of eliminating or strengthening neural connections.

Question 53

Interpretation of the ________ content of a dream is expected to reveal the ________ content.

A)latent;manifest
B)manifest;latent
C)manifest;sublimated
D)metaphorical;denotative

Question 54

During which part of sleep are you most likely to dream?

A)stage 1
B)stage 2
C)stage 3
D)REM sleep

Question 55

According to the activation-synthesis theory of dreaming,the source of a dream is neuronal firing in the

A)limbic system.
B)cortex.
C)thalamus.
D)brainstem.

Question 56

The explanation of dreaming that places the LEAST importance on the underlying meaning of dreams is the ____________ approach.

A)problem-solving
B)psychoanalytic
C)Freudian
D)activation-synthesis

Question 57

Freud called the hidden meaning of a dream its __________ content.

A)surface
B)manifest
C)unconscious
D)latent

Question 58

This dream theory states that the purpose of dreaming is to express unconscious wishes and urges.

A)problem solving
B)cognitive
C)psychoanalytic
D)activation-synthesis

Question 59

The problem-solving explanation of dreaming suggests that

A)the symbols and metaphors in a dream disguise a person's true unresolved problems.
B)dreams are usually about our everyday problems and may even help us to solve those problems.
C)there is no purpose to dreaming;dreams occur because of random brainstem signals.
D)we are more likely to dream about good things that happen to us than about our problems.

Question 60

The psychoanalytic theory of dreaming states that

A)the purpose of dreaming is to express unconscious wishes and urges.
B)there is no purpose to dreaming;dreams occur because of random brainstem signals.
C)the purpose of dreaming is to resolve current concerns and problems that we are conscious of.
D)dreaming is a by-product of a process of eliminating or strengthening neural connections.

Question 61

Naomi's breathing stops briefly during sleep,causing her to gasp.What problem does Naomi most likely have?

A)sleep apnea
B)insomnia
C)narcolepsy
D)REM behaviour disorder

Question 62

Another name for sleepwalking is

A)narcolepsy.
B)somnambulism.
C)REM behaviour disorder.
D)sleep misperception.

Question 63

___________________ is a disorder in which breathing briefly stops during sleep,causing the person to gasp for air.

A)Sleep apnea
B)Insomnia
C)Narcolepsy
D)Non-REM sleep

Question 64

Which of the following is true about sleepwalking?

A)It is dangerous to wake a sleepwalker.
B)Sleepwalking is a sign of an underlying emotional disturbance.
C)Sleepwalkers are acting out a dream.
D)Sleepwalking is more prevalent in childhood.

Question 65

Insomnia affects about _______________ Canadians.

A)1 in 3
B)1 in 5
C)1 in 7
D)1 in 10

Question 66

People with insomnia have difficulty with which of the following?

A)only with falling asleep
B)only with returning to sleep after waking in the night
C)only with waking up too early
D)with falling asleep,returning to sleep after waking,and waking up too early

Question 67

Sleep apnea is a disorder in which

A)a person suddenly falls asleep without warning during the day.
B)a person has difficulty waking from sleep in the morning.
C)a person periodically stops breathing during sleep.
D)a person experiences bursts of aggressive behaviour during sleep.

Question 68

REM behaviour disorder results from

A)too much sleep.
B)not enough sleep.
C)the body not experiencing the typical restriction of movement during REM sleep.
D)deterioration of the medial hypothalamus.

Question 69

A diagnosis of insomnia is based primarily on which of the following?

A)the number of hours of sleep on an average night
B)a polysomnogram recording
C)the degree to which a person feels rested during the day
D)a blood analysis

Question 70

Vanya's legs bother him while he tries to sleep,and he feels the need to constantly move them into different positions.Sometimes it even causes him to wake up in the middle of the night.Vanya would be most likely to be diagnosed with

A)restless legs syndrome.
B)terminal insomnia.
C)REM behaviour disorder.
D)somnambulism.

Question 71

Which approach to dreaming suggests that our dreams are simply a modification of the thinking that occurs when we are awake?

A)the problem-solving approach
B)the psychoanalytic approach
C)the lucid dreaming approach
D)the activation-synthesis approach

Question 72

A sleep disorder characterized by difficulty in falling asleep or remaining asleep throughout the night is

A)zombulism.
B)cataplexy.
C)narcolepsy.
D)insomnia.

Question 73

A weakness of the _______________ theory is that there is little to no evidence that the brain can find solutions to our concerns while we sleep.

A)psychoanalytic
B)problem-solving
C)circadian
D)activation-synthesis

Question 74

Which of the following is true about nightmares and night terrors?

A)They are two different names for the same phenomenon.
B)Night terrors involve real daytime fears and actual events,whereas nightmares involve unreal content such as monsters.
C)Nightmares are a type of dream,whereas night terrors appear not to involve dream content.
D)Nightmares involve real daytime fears and actual events,whereas night terrors involve unreal content such as monsters.

Question 75

______________ occur during REM sleep,while __________________ occur during NREM sleep.

A)Night terrors;nightmares
B)Nightmares;night terrors
C)Ordinary dreams;nightmares.
D)Nightmares;ordinary dreams

Question 76

If you have been waking up too early for several weeks,you are probably suffering from

A)terminal insomnia.
B)REM rebound.
C)hypersomnia.
D)reverse insomnia.

Question 77

When he was a young child,Jerry would sometimes wake in the middle of the night screaming.He wouldn't remember having a bad dream,but remembers experiencing raw panic.Jerry most likely had

A)night terrors.
B)sleep apnea.
C)REM behaviour disorder
D)nightmares.

Question 78

Ernie's muscle movements are not inhibited when he is dreaming.As a result,he literally acts out his dreams,sometimes injuring himself in the process.Ernie appears to suffer from

A)severe sleepwalking.
B)sleep apnea.
C)narcolepsy.
D)REM behaviour disorder.

Question 79

Which sleep disorder involves people literally acting out their dreams?

A)sleepwalking
B)REM rebound
C)REM behaviour disorder
D)sleep misperception

Question 80

Which approach to explaining dreams is best supported by the fact that students who are worried about getting a good grade in a class often have recurring dreams of running out of time on exams,oversleeping and missing class,or suddenly realizing that a paper deadline was just missed?

A)psychoanalytic
B)problem-solving
C)latent-dream theory
D)activation synthesis