Question 1

The stimulus that stops the circadian rhythm is referred to by the German term zeitgeber.

Accepted Answer

A) True 
 B)False

Question 2

After a period of sleep deprivation, PGO waves begin to:

Accepted Answer

A)  occur during sleep stages 2-4 and wakefulness. 
B)  decrease in intensity. 
C)  reverse their sequence of brain activity. 
D)  cause sleep paralysis during waking. 
A)  occur during sleep stages 2-4 and wakefulness. 
B)  decrease in intensity. 
C)  reverse their sequence of brain activity. 
D)  cause sleep paralysis during waking.

Question 3

In general, animals that have the most total sleep also have the highest percentage of REM sleep.

Accepted Answer

A) True 
 B)False

Question 4

A disruption of circadian rhythms due to crossing time zones is known as:

Accepted Answer

A)  circashift. 
B)  phaselag. 
C)  jetlag. 
D)  zeitgeber. 
A)  circashift. 
B)  phaselag. 
C)  jetlag. 
D)  zeitgeber.

Question 5

Taking melatonin pills in the late evening:

Accepted Answer

A)  phase-advances the biological clock. 
B)  phase-delays the biological clock. 
C)  increases sleepiness. 
D)  has no noticeable effects. 
A)  phase-advances the biological clock. 
B)  phase-delays the biological clock. 
C)  increases sleepiness. 
D)  has no noticeable effects.

Question 6

A sharp high-amplitude negative wave followed by a smaller, slower, positive wave is called:

Accepted Answer

A)  a sleep spindle. 
B)  a K-complex. 
C)  a slow-wave. 
D)  REM. 
A)  a sleep spindle. 
B)  a K-complex. 
C)  a slow-wave. 
D)  REM.

Question 7

What is a strong piece of evidence that the suprachiasmatic nucleus (SCN) generates the circadian rhythm?

Accepted Answer

A)  Stimulation of the SCN awakens an individual. 
B)  SCN neurons generate a circadian rhythm of impulses even after removal from the brain. 
C)  Different groups of SCN neurons reach their peak of activity at different times of day. 
D)  Certain animals that are born without an SCN are inactive throughout the day. 
A)  Stimulation of the SCN awakens an individual. 
B)  SCN neurons generate a circadian rhythm of impulses even after removal from the brain. 
C)  Different groups of SCN neurons reach their peak of activity at different times of day. 
D)  Certain animals that are born without an SCN are inactive throughout the day.

Question 8

REM is usually the first stage of sleep after a person goes to bed.

Accepted Answer

A) True 
 B)False

Question 9

What is synonymous with paradoxical sleep?

Accepted Answer

A)  alpha waves 
B)  stages 1 and 2 
C)  stages 3 and 4 
D)  REM sleep 
A)  alpha waves 
B)  stages 1 and 2 
C)  stages 3 and 4 
D)  REM sleep

Question 10

REM sleep depends on a relationship between the neurotransmitters serotonin and acetylcholine.

Accepted Answer

A) True 
 B)False

Question 11

Muscle relaxation during REM sleep occurs because of decreased activity in the pons.

Accepted Answer

A) True 
 B)False

Question 12

During REM sleep, the pons sends inhibitory messages to the:

Accepted Answer

A)  spinal cord. 
B)  occipital lobe. 
C)  vestibular system. 
D)  cerebral cortex. 
A)  spinal cord. 
B)  occipital lobe. 
C)  vestibular system. 
D)  cerebral cortex.

Question 13

If a migratory bird is kept in a laboratory room with constant temperature and 12 hours of light each day, when does it show migratory restlessness?

Accepted Answer

A)  steadily at all times 
B)  never 
C)  at approximately the correct time of year for migration 
D)  at random intervals throughout the year 
A)  steadily at all times 
B)  never 
C)  at approximately the correct time of year for migration 
D)  at random intervals throughout the year

Question 14

The relationship between sleep stage and dreaming is that dreams:

Accepted Answer

A)  occur only in REM sleep. 
B)  occur only in NREM sleep. 
C)  are more frequent and more vivid in REM sleep. 
D)  are more frequent and more vivid in NREM sleep. 
A)  occur only in REM sleep. 
B)  occur only in NREM sleep. 
C)  are more frequent and more vivid in REM sleep. 
D)  are more frequent and more vivid in NREM sleep.

Question 15

For a normal person, which part of a night's sleep contains the largest percentage of stage 4 sleep?

Accepted Answer

A)  early in the night 
B)  the middle of the night 
C)  toward the end of the night 
D)  all parts equally 
A)  early in the night 
B)  the middle of the night 
C)  toward the end of the night 
D)  all parts equally

Question 16

Which of the following shows a decreased need for sleep?

Accepted Answer

A)  birds during migration 
B)  mammalian mothers during pregnancy 
C)  cats during the mating season 
D)  children when they are ill 
A)  birds during migration 
B)  mammalian mothers during pregnancy 
C)  cats during the mating season 
D)  children when they are ill

Question 17

A human's body temperature over the course of 24 hours is usually highest:

Accepted Answer

A)  about the time of awakening. 
B)  mid-morning. 
C)  mid to late afternoon. 
D)  in the middle of the night. 
A)  about the time of awakening. 
B)  mid-morning. 
C)  mid to late afternoon. 
D)  in the middle of the night.

Question 18

Which of the following events would most likely activate the locus coeruleus?

Accepted Answer

A)  taking a nap 
B)  daydreaming 
C)  walking 
D)  hearing a bear growl in the woods 
A)  taking a nap 
B)  daydreaming 
C)  walking 
D)  hearing a bear growl in the woods

The stimulus that stops the circadian rhythm is referred to by the German term zeitgeber.

After a period of sleep deprivation, PGO waves begin to:

In general, animals that have the most total sleep also have the highest percentage of REM sleep.

A disruption of circadian rhythms due to crossing time zones is known as:

Taking melatonin pills in the late evening:

A sharp high-amplitude negative wave followed by a smaller, slower, positive wave is called:

What is a strong piece of evidence that the suprachiasmatic nucleus (SCN) generates the circadian rhythm?

REM is usually the first stage of sleep after a person goes to bed.

What is synonymous with paradoxical sleep?

REM sleep depends on a relationship between the neurotransmitters serotonin and acetylcholine.

Muscle relaxation during REM sleep occurs because of decreased activity in the pons.

During REM sleep, the pons sends inhibitory messages to the:

If a migratory bird is kept in a laboratory room with constant temperature and 12 hours of light each day, when does it show migratory restlessness?

The relationship between sleep stage and dreaming is that dreams:

For a normal person, which part of a night's sleep contains the largest percentage of stage 4 sleep?

Which of the following shows a decreased need for sleep?

A human's body temperature over the course of 24 hours is usually highest:

Which of the following events would most likely activate the locus coeruleus?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters

Exam 9: Wakefulness and Sleep

The stimulus that stops the circadian rhythm is referred to by the German term zeitgeber.

After a period of sleep deprivation, PGO waves begin to:

In general, animals that have the most total sleep also have the highest percentage of REM sleep.

A disruption of circadian rhythms due to crossing time zones is known as:

Taking melatonin pills in the late evening:

A sharp high-amplitude negative wave followed by a smaller, slower, positive wave is called:

What is a strong piece of evidence that the suprachiasmatic nucleus (SCN) generates the circadian rhythm?

REM is usually the first stage of sleep after a person goes to bed.

What is synonymous with paradoxical sleep?

REM sleep depends on a relationship between the neurotransmitters serotonin and acetylcholine.

Muscle relaxation during REM sleep occurs because of decreased activity in the pons.

During REM sleep, the pons sends inhibitory messages to the:

If a migratory bird is kept in a laboratory room with constant temperature and 12 hours of light each day, when does it show migratory restlessness?

The relationship between sleep stage and dreaming is that dreams:

For a normal person, which part of a night's sleep contains the largest percentage of stage 4 sleep?

Which of the following shows a decreased need for sleep?

A human's body temperature over the course of 24 hours is usually highest:

Which of the following events would most likely activate the locus coeruleus?

The Major Issues

Nerve Cells and Nerve Impulses

Synapses

Anatomy of the Nervous System

Development and Plasticity of the Brain

Vision

The Other Sensory Systems

Movement

Internal Regulation

Reproductive Behaviors

Emotional Behaviors

The Biology of Learning and Memory

Cognitive Functions

Mood Disorders and Schizophrenia

Filters