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Carlotta is a research assistant in the college sleep lab. As she monitors the EEG recording of a sleeping research participant in the lab, she notes the presence of theta brain waves, sleep spindles, and K complexes. Carlotta concludes that the subject is experiencing:


A) REM sleep.
B) stage 4 NREM.
C) a hypnagogic hallucination.
D) stage 2 NREM.

E) A) and B)
F) A) and C)

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Which of the following is a category of addictive drugs that mimic the properties of a natural brain substance called endorphins?


A) depressants
B) stimulants
C) psychedelics
D) opiates

E) A) and B)
F) A) and C)

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A parasomnia called sleep terrors typically occurs during:


A) stage 3 or 4 NREM sleep and lasts only a few seconds.
B) REM sleep and lasts for many minutes.
C) stage 1 and 2 NREM sleep and lasts only a few seconds.
D) REM sleep and lasts for an hour or more.

E) None of the above
F) A) and B)

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Depressant drugs:


A) tend to increase a person's inhibitions.
B) inhibit the activity of the central nervous system.
C) are sometimes used to enhance mental alertness.
D) do not have the potential to produce addiction.

E) C) and D)
F) None of the above

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When he is asleep, Doug's airway becomes narrowed or blocked, causing very shallow breathing and repeated pauses in breathing. This happens many times each night and disrupts his sleep. Doug suffers from:


A) narcolepsy.
B) obstructive sleep apnea.
C) cataplexy.
D) somnambulism.

E) A) and D)
F) B) and C)

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According to the information discussed in the In Focus box titled "What You Really Want to Know About Sleep," which of the following statements is FALSE?


A) Research has contradicted the notion that too much carbon dioxide or too little oxygen in a person's blood causes yawning.
B) Deaf people who use sign language sometimes "sleep sign" during sleep.
C) Contagious yawning may have evolved as an adaptive social cue, helping groups to signal and coordinate times of activity or rest.
D) Sleep paralysis is a rare phenomenon and is usually associated with sleep disorders such as narcolepsy.

E) B) and D)
F) C) and D)

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Barbiturates:


A) interfere with REM sleep.
B) are a class of powerful hallucinatory drugs.
C) stimulate regions at the base of the brain and enhance alertness.
D) are derived from opium.

E) A) and D)
F) A) and B)

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Jack is experiencing feelings of detachment from his body, profound relaxation, and sensations of timelessness. It is most likely that Jack is:


A) experiencing drug-induced psychosis.
B) meditating.
C) hypnotized.
D) suffering from narcolepsy.

E) B) and C)
F) A) and D)

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The Enhancing Well-Being with Psychology section in your textbook provides a number of tips to help minimize sleep problems. Which of the following is NOT one of those recommendations?


A) Use stimulus-control therapy.
B) Engage in regular daytime exercise.
C) Use depressant drugs, such as alcohol or barbiturates, that cause drowsiness.
D) Establish a consistent sleep-wake cycle.

E) C) and D)
F) A) and B)

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According to the Critical Thinking box, psychologists Irving Kirsch and Wayne Braffman propose that many highly suggestible participants are just as responsive to suggestions when they have not been hypnotized as they are when they have been hypnotized. They note that hypnosis does not reflect a distinct brain state, but rather individual differences in the degree to which a person is able to experience an imaginary state of affairs as if it were real. Their explanation of hypnosis is called:


A) the neodissociation theory.
B) the imaginative suggestibility view.
C) the activation-synthesis model.
D) the social-cognitive theory.

E) B) and D)
F) B) and C)

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_____ promote(s) wakefulness, mental alertness, vigilance, and faster thought processes by stimulating the release of dopamine in the brain's prefrontal cortex and by blocking adenosine's sleep-inducing effects.


A) Nicotine
B) Caffeine
C) Cocaine
D) Amphetamines

E) A) and B)
F) C) and D)

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Brandy is fond of attending all-night raves at a dance club near her home. Some of the raves are drug-free, but at one rave she saw a friend who was sweating profusely, chewing ice and a plastic pacifier, drinking large quantities of water, and hugging everyone in reach as he proclaimed his love for all humanity. Brandy suspected that her friend was probably high on:


A) PCP (angel dust) .
B) cocaine.
C) alcohol.
D) MDMA (ecstasy) .

E) A) and B)
F) None of the above

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For several nights in a row, a sleep researcher wakes you up whenever you show signs of entering REM sleep. On the first night that you are allowed to sleep uninterrupted, you will most likely experience:


A) microsleeps.
B) a dramatic increase in stages 3 and 4 NREM sleep.
C) REM rebound.
D) very little REM sleep.

E) None of the above
F) A) and B)

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You've been lying awake in bed next to your partner for about five minutes. As you hear your partner's breathing become rhythmical, you notice occasional slight twitches in your partner's hand and leg. Most likely, your partner is in:


A) paradoxical sleep.
B) stage 2 NREM.
C) stage 4 NREM.
D) REM sleep.

E) A) and B)
F) A) and C)

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Because the scenes, images, dialogue, and content of a person's consciousness are constantly changing, the subjective experience of consciousness is best described as disjointed and fragmented.

A) True
B) False

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Which of the following statements about the suprachiasmatic nucleus is FALSE?


A) The suprachiasmatic nucleus is your internal biological clock.
B) The suprachiasmatic nucleus governs the timing of circadian rhythms, including the sleep-wake cycle and the mental alertness cycle.
C) The suprachiasmatic nucleus is a cluster of neurons located in the brain structure called the hypothalamus.
D) The suprachiasmatic nucleus secretes a naturally occurring compound called adenosine that increases mental alertness.

E) B) and D)
F) None of the above

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According to _____, dreaming is our subjective awareness of the brain's internally generated signals that occur repeatedly throughout the process of a night's sleep.


A) the activation-synthesis model of dreaming
B) Sigmund Freud's psychoanalysis theory
C) Stephen LaBerge's model of lucid dreaming
D) William James's stream of consciousness theory

E) B) and C)
F) All of the above

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What are inhalants, what effect do they have on mental functioning, and what are the main dangers associated with using these substances?

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Inhalants are a group of substances that...

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Contrast the "state" and "non-state" views of hypnosis, and discuss the evidence supporting each view.

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The "state" view of hypnosis suggests th...

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What drug category includes a variety of designer drugs that are popular at all-night dance parties?


A) tranquilizers
B) opiates
C) club drugs
D) barbiturates

E) B) and C)
F) A) and C)

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