Question 1

According to a sleep-deprivation study on sled dog racers described in your textbook,what amount of sleep did racers have who experienced vivid hallucinations?

Accepted Answer

A)  1 hour 
B)  2 hours 
C)  3-4 hours 
D)  7 hours 
A)  1 hour 
B)  2 hours 
C)  3-4 hours 
D)  7 hours

Question 2

After telling your friends about the role of light in the sleep-wake cycle,one of them asks about blind people.You mention:

Accepted Answer

A)  that nearly all blind people have serious problems with their sleep-wake cycle 
B)  all blind people must use auditory cues of time passage 
C)  the pathway for vision and for circadian rhythms are separate 
D)  blindness causes profound disturbances in sleeping that must be treated with hormone injections 
A)  that nearly all blind people have serious problems with their sleep-wake cycle 
B)  all blind people must use auditory cues of time passage 
C)  the pathway for vision and for circadian rhythms are separate 
D)  blindness causes profound disturbances in sleeping that must be treated with hormone injections

Question 3

The suprachiasmatic nucleus is found in the:

Accepted Answer

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

Question 4

You dream so that you can practice and rehearse how you might respond to a dangerous situation.This best describes:

Accepted Answer

A)  activation-synthesis theory 
B)  Freudian theory 
C)  circadian theory 
D)  threat-simulation theory 
A)  activation-synthesis theory 
B)  Freudian theory 
C)  circadian theory 
D)  threat-simulation theory

Question 5

Little Timmy has a problem with bedwetting.In what stage of sleep is this most likely to occur?

Accepted Answer

A)  Stage 1 
B)  REM sleep 
C)  Stage 3 
D)  Stage 4 
A)  Stage 1 
B)  REM sleep 
C)  Stage 3 
D)  Stage 4

Question 6

Threat-stimulation theory argues that:

Accepted Answer

A)  REM allows us to organize our memories 
B)  dreaming gives us a change to prepare for dangerous situations 
C)  dreams are random and meaningless 
D)  dreams represent our deepest, most unconscious desires 
A)  REM allows us to organize our memories 
B)  dreaming gives us a change to prepare for dangerous situations 
C)  dreams are random and meaningless 
D)  dreams represent our deepest, most unconscious desires

Question 7

A commuter who takes the train daily from Connecticut to Manhattan is in his habit of sitting with his eyes closed,but the motion and noise of the train keep him from truly falling asleep.He feels relaxed and is drowsy.The commuter's brain is probably emitting which type of waves?

Accepted Answer

A)  beta 
B)  alpha 
C)  delta 
D)  theta 
A)  beta 
B)  alpha 
C)  delta 
D)  theta

Question 8

Brain waves are described by examining their:

Accepted Answer

A)  frequency and altitude 
B)  frequency and amplitude 
C)  pitch and amplitude 
D)  size and depth 
A)  frequency and altitude 
B)  frequency and amplitude 
C)  pitch and amplitude 
D)  size and depth

Question 9

How does the body reset its genetically preset sleep-wake circadian clock to the 24-hour day?

Accepted Answer

A)  morning light enters the eye and is sent to the basal ganglia 
B)  morning light enters the eye and is sent to the suprachiasmatic nucleus 
C)  the sound of the clock alarm resets the circadian clock 
D)  eating breakfast in the morning resets hormonal levels 
A)  morning light enters the eye and is sent to the basal ganglia 
B)  morning light enters the eye and is sent to the suprachiasmatic nucleus 
C)  the sound of the clock alarm resets the circadian clock 
D)  eating breakfast in the morning resets hormonal levels

Question 10

Describe the effects of shift work and jet lag on the body's circadian clock.What is a treatment described in the module for these effects?

Accepted Answer

Shift work and jet lag can disrupt the b

Question 11

As a volunteer in a sleep experiment,Isaac was awakened each time he entered REM sleep for two nights.On the third night he was allowed to sleep normally.We would expect that REM deprivation would:

Accepted Answer

A)  have no effect on his normal sleeping pattern 
B)  cause a temporary depression 
C)  lead to REM rebound on the third night 
D)  cause him to be irritable for the next few days 
A)  have no effect on his normal sleeping pattern 
B)  cause a temporary depression 
C)  lead to REM rebound on the third night 
D)  cause him to be irritable for the next few days

Question 12

Which of the following did Charles Czeisler find could reset the circadian rhythm of a night worker?

Accepted Answer

A)  exposure to bright light 
B)  removing all clocks from the workplace 
C)  injecting high doses of melatonin 
D)  electroencephalogram tracing 
A)  exposure to bright light 
B)  removing all clocks from the workplace 
C)  injecting high doses of melatonin 
D)  electroencephalogram tracing

Question 13

Unconsciousness means the person has a total lack of sensory awareness and complete loss of responsiveness to the environment.

Accepted Answer

A) True 
 B)False

Question 14

Describe a typical night as a person goes in and out of NREM and REM.

Accepted Answer

A typical night of sleep involves cyclin

Question 15

Can you describe the complex motor movements involved in riding a bicycle according to the cognitive view of the unconscious?

Accepted Answer

A)  Yes-since motor memories are automatic processes 
B)  Yes-motor memories are examples of controlled processes 
C)  No-these motor memories are implicit or nondeclarative memories 
D)  No-these motor memories are often associated with threatening wishes and desires, and therefore are stored in the unconscious 
A)  Yes-since motor memories are automatic processes 
B)  Yes-motor memories are examples of controlled processes 
C)  No-these motor memories are implicit or nondeclarative memories 
D)  No-these motor memories are often associated with threatening wishes and desires, and therefore are stored in the unconscious

Question 16

Evening people tend to be conscientious introverts.

Accepted Answer

A) True 
 B)False

Question 17

The fundamental problem underlying jet lag and accidents during graveyard shifts is that:

Accepted Answer

A)  our circadian rhythm is disrupted so that our normal sleep and wake times get thrown off 
B)  corporate greed is inconsistent with the biological needs of people 
C)  we do not know how to reset circadian rhythms 
D)  we do not value good, quality sleep 
A)  our circadian rhythm is disrupted so that our normal sleep and wake times get thrown off 
B)  corporate greed is inconsistent with the biological needs of people 
C)  we do not know how to reset circadian rhythms 
D)  we do not value good, quality sleep

Question 18

Sleep spindles appear during what stage of sleep?

Accepted Answer

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

Question 19

If left in a place with no time or light cues,your sleep-wake cycle would:

Accepted Answer

A)  remain at 24 hours 
B)  change to a little more than 24 hours 
C)  keep constant at 12 hours 
D)  remain unchanged at about 4 hours 
A)  remain at 24 hours 
B)  change to a little more than 24 hours 
C)  keep constant at 12 hours 
D)  remain unchanged at about 4 hours

Question 20

In a typical night,we spend about ____ of our sleep time in REM.

Accepted Answer

A)  20% 
B)  50% 
C)  80% 
D)  95% 
A)  20% 
B)  50% 
C)  80% 
D)  95%

Exam 7: Sleep and Dreams

According to a sleep-deprivation study on sled dog racers described in your textbook,what amount of sleep did racers have who experienced vivid hallucinations?

After telling your friends about the role of light in the sleep-wake cycle,one of them asks about blind people.You mention:

The suprachiasmatic nucleus is found in the:

You dream so that you can practice and rehearse how you might respond to a dangerous situation.This best describes:

Little Timmy has a problem with bedwetting.In what stage of sleep is this most likely to occur?

Threat-stimulation theory argues that:

A commuter who takes the train daily from Connecticut to Manhattan is in his habit of sitting with his eyes closed,but the motion and noise of the train keep him from truly falling asleep.He feels relaxed and is drowsy.The commuter's brain is probably emitting which type of waves?

Brain waves are described by examining their:

How does the body reset its genetically preset sleep-wake circadian clock to the 24-hour day?

Describe the effects of shift work and jet lag on the body's circadian clock.What is a treatment described in the module for these effects?

As a volunteer in a sleep experiment,Isaac was awakened each time he entered REM sleep for two nights.On the third night he was allowed to sleep normally.We would expect that REM deprivation would:

Which of the following did Charles Czeisler find could reset the circadian rhythm of a night worker?

Unconsciousness means the person has a total lack of sensory awareness and complete loss of responsiveness to the environment.

Describe a typical night as a person goes in and out of NREM and REM.

Can you describe the complex motor movements involved in riding a bicycle according to the cognitive view of the unconscious?

Evening people tend to be conscientious introverts.

The fundamental problem underlying jet lag and accidents during graveyard shifts is that:

Sleep spindles appear during what stage of sleep?

If left in a place with no time or light cues,your sleep-wake cycle would:

In a typical night,we spend about ____ of our sleep time in REM.

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