Question 1

Circadian rhythms are

Accepted Answer

A)   endogenous cycles of activity over the course of a day.
B)   not found in plants.
C)   learned patterns of daily activity.
D)   annual changes in behavior (such as migration) .
E)   monthly cycles of reproductive activity.F) None of the above
G) A) and B)

Question 2

2- The primary function of ________ sleep is to rest the brain.

Accepted Answer

The answer of 2- The primary function of ________ sleep...

Question 3

Humans show which pattern of blood flow and mental activity during REM sleep?

Accepted Answer

A)   Cortical blood flow is reduced during REM sleep as blood is shunted to the genitals.
B)   Cerebral blood flow is low in the primary visual cortex.
C)   Cerebral blood flow is very low during color dreaming.
D)   Cerebral blood flow is high in the visual association cortex and low in the frontal cortex.
E)   Cerebral blood flow is low in the primary auditory cortex.F) A) and D)
G) A) and E)

Question 4

You are watching the sleep record of a person whose record contains 8Your best guess is that this person is

Accepted Answer

A)   in stage 4 of slow-wave sleep.
B)   dreaming.
C)   in stage 1 of slow-wave sleep.
D)   making the transition from wakefulness to sleep.
E)   awake.F) B) and E)
G) A) and E)

Question 5

3- Describe the laboratory methods used to study sleep.

Accepted Answer

Subjects are instrumented so as to provi...

Question 6

Another name for sleep stages 3 and 4 is ________ sleep.

Accepted Answer

A)   paradoxical
B)   high-frequency
C)   slow-wave
D)   REM
E)   rhythmicF) C) and D)
G) A) and D)

Question 7

It may be inappropriate to use a sleeping medication to treat insomnia because

Accepted Answer

A)   medication withdrawal symptoms can result in more insomnia.
B)   tolerance to sleeping medication leads to withdrawal symptoms.
C)   the use of a sleeping medication may cause daytime grogginess.
D)   insomniacs underestimate the amount of time they actually sleep.
E)   alcohol renders sleeping pills ineffective.F) A) and E)
G) D) and E)

Question 8

A person who experiences the sleep disorder symptom known as pavor nocturnus would be said to be

Accepted Answer

A)   releasing urine during sleep.
B)   dreaming while awake.
C)   sleepwalking.
D)   having a sleep attack.
E)   experiencing night terrors.F) B) and D)
G) B) and C)

Question 9

Which of the following represents a mental state that accompanies slow-wave sleep?

Accepted Answer

A)   nightmares
B)   lyrical dreams
C)   elevated sexual arousal (i.e., lust) 
D)   a deficit in the capacity to plan
E)   narrative and story-like dreamsF) None of the above
G) A) and E)

Question 10

A key symptom of human narcolepsy relates to

Accepted Answer

A)   impulsive drug-taking.
B)   abnormal slow-wave sleep.
C)   recurring nightmares.
D)   sleeping during the day.
E)   dreaming while awake.F) B) and D)
G) A) and E)

Question 11

A person who does not feel rested after sleeping 15 hours a night

Accepted Answer

A)   is probably sleeping at his or her desk during the day.
B)   probably does not need more sleep.
C)   has pseudoinsomnia.
D)   is underestimating the amount of sleep time he or she needs.
E)   is likely to develop a serious form of insomnia.F) C) and D)
G) A) and D)

Question 12

About ________ percent of the population experiences insomnia as a persistent problem while ________ percent experiences this on occasion.

Accepted Answer

A)   1; 3
B)   15; 52
C)   27; 45
D)   7; 19
E)   9; 25F) C) and E)
G) A) and E)

Question 13

Which of the following is true of neurons within the ventrolateral preoptic area (vlPOA) ?

Accepted Answer

A)   vlPOA neurons receive inhibitory input from noradrenergic, serotonergic, and histaminergic neurons.
B)   Excitotoxic lesions of the vlPOA increase sleep in cats.
C)   vlPOA neurons have a low firing rate during sleep.
D)   Electrical stimulation of vlPOA neurons produces insomnia.
E)   vlPOA neurons secrete glutamate to excite regions that control arousal.F) All of the above
G) B) and E)

Question 14

Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical factor.

Accepted Answer

Sleep could be the result of depletion o...

Question 15

Human narcolepsy

Accepted Answer

A)   can be treated using sleep-inducing drugs.
B)   involves an absence of orexin from CSF in most narcoleptics.
C)   involves the intrusion of slow-wave sleep components into the awake state.
D)   is a psychological disorder.
E)   is treated using lithium salts.F) All of the above
G) A) and D)

Question 16

A ________ is a stimulus that resets an internal biological clock.

Accepted Answer

A)   zeitgeber
B)   pacemaker
C)   pacing stimulus
D)   synchronizer
E)   chronopulseF) A) and E)
G) C) and D)

Question 17

2- Sleep is a universal phenomenon among ________.

Accepted Answer

The answer of 2- Sleep is a universal phenomenon among...

Question 18

A characteristic of REM sleep includes

Accepted Answer

A)   synchronized EEG activity.
B)   muscle paralysis.
C)   low rate of firing of ACh neurons in the dorsal pons.
D)   suppressed genital blood flow.
E)   night terrors.F) A) and E)
G) A) and B)

Question 19

The capacity of circuits involving the vlPOA and the locus coeruleus, raphe nuclei, and dorsal pons to show mutual inhibition may result in

Accepted Answer

A)   the transitions between eating and drinking in the rat.
B)   alternating motor search behaviors in a maze.
C)   shifts of attention.
D)   stepping behavior.
E)   the alternation between sleep and waking.F) A) and E)
G) A) and C)

Question 20

The transition between wakefulness and sleep is marked by the appearance of ________ waves in the sleep record.

Accepted Answer

A)   alpha
B)   delta
C)   gamma
D)   theta
E)   betaF) All of the above
G) None of the above

Exam 9: Sleep and Biological Rhythms

The transition between wakefulness and sleep is marked by the appearance of ________ waves in the sleep record.

Correct AnswerverifiedShow Answer

Which of the following is true of neurons within the ventrolateral preoptic area (vlPOA) ?

Correct AnswerverifiedShow Answer

The capacity of circuits involving the vlPOA and the locus coeruleus, raphe nuclei, and dorsal pons to show mutual inhibition may result in

Correct AnswerverifiedShow Answer

Explain why it is unlikely that the sleep-waking cycle is controlled by a blood-borne chemical factor.

Correct AnswerverifiedSleep could be the result of depletion o...View AnswerShow Answer

A ________ is a stimulus that resets an internal biological clock.

Correct AnswerverifiedShow Answer

A characteristic of REM sleep includes

Correct AnswerverifiedShow Answer

Humans show which pattern of blood flow and mental activity during REM sleep?

Correct AnswerverifiedShow Answer

Circadian rhythms are

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Human narcolepsy

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About ________ percent of the population experiences insomnia as a persistent problem while ________ percent experiences this on occasion.

Correct AnswerverifiedShow Answer

You are watching the sleep record of a person whose record contains 8Your best guess is that this person is

Correct AnswerverifiedShow Answer

2- Sleep is a universal phenomenon among ________.

Correct AnswerverifiedShow Answer

3- Describe the laboratory methods used to study sleep.

Correct AnswerverifiedSubjects are instrumented so as to provi...View AnswerShow Answer

A key symptom of human narcolepsy relates to

Correct AnswerverifiedShow Answer

A person who does not feel rested after sleeping 15 hours a night

Correct AnswerverifiedShow Answer

Which of the following represents a mental state that accompanies slow-wave sleep?

Correct AnswerverifiedShow Answer

Another name for sleep stages 3 and 4 is ________ sleep.

Correct AnswerverifiedShow Answer

A person who experiences the sleep disorder symptom known as pavor nocturnus would be said to be

Correct AnswerverifiedShow Answer

It may be inappropriate to use a sleeping medication to treat insomnia because

Correct AnswerverifiedShow Answer

2- The primary function of ________ sleep is to rest the brain.

Correct AnswerverifiedShow Answer

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Sleep could be the result of depletion o...
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About percent of the population experiences insomnia as a persistent problem while percent experiences this on occasion.

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Correct Answer
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Correct Answer
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Subjects are instrumented so as to provi...
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