Unit 5 Quizes

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According to Figure 8.1 on page 176, when does melatonin secretion cease?

7:30am

According to Figure 8.1 on page 176, when is one's body temperature highest?

7pm

The human sleep cycle repeats itself about every

90 minutes

Which of the following is most accurate about a typical night's sleep?

As sleep progresses, Stage 3 and Stage 4 sleep diminish while REM sleep increases

Which of the following is bad advice for a person trying to overcome insomnia?

Drink a glass of wine 15 minutes before bedtime

Which of the following is a FALSE statement from pages 178-179?

Lack of sleep is associated with under-eating

The hypnagogic sensations of falling or floating are most likely to occur during which sleep stage?

NREM1

Which of the following are involved in regulating circadian rhythms?

Photoreceptors, hypothalamus, pineal gland

At 3 o'clock in the morning, John has already slept for 4 hours. As long as his sleep continues, we can expect an increasing occurrence of

REM sleep

After Carlos had been asleep for about an hour and a half, his heart began to beat faster, his breathing became fast and irregular, and his closed eyes began to dart back and forth. Carlos was most likely experiencing

REM sleep.

Nightmares are to ________ as night terrors are to ________.

REM sleep; NREM3 (Stage 3/4)

Paradoxical sleep is to slow-wave sleep as ________ sleep is to ________ sleep.

REM; NREM3

Which of the following is a CORRECT statement from pages 182-183?

Shift work can cause insomnia

Jane is anxious before an exam, her brain waves are likely _______________. Bob is ready to fall asleep, his brain waves are likely ______________. See page 177

beta; alpha

After flying from California to New York, Arthur experienced a restless, sleepless night. His problem was most likely caused by a disruption of his normal

circadian rhythm

With the approach of night, our body temperatures begin to drop. This best illustrates the dynamics of the

circadian rhythm

The large, slow brain waves associated with deep sleep are called

delta waves

Which of the following is NOT a good sleep habit? See page 181

keep the bedroom at a temperature above 70 degrees

The lack of the neurotransmitter orexin has been linked to which of the following?

narcolepsy

About three hours after he falls asleep, Bobby often sits up in bed screaming incoherently. His mother tries to awaken him, but with no success. His pulse races and he gasps for breath. The next morning, he remembers nothing. It appears that Bobby suffers from

night terrors

REM sleep is called paradoxical sleep because

our nervous system is highly active, while our voluntary muscles hardly move

Alpha waves are associated with

relaxed but awake state

Mr. Dayton occasionally stops breathing while sleeping. He wakes up to snort air for a few seconds before falling back to sleep. Mrs. Dayton complains that her husband snores. Clearly, Mr. Dayton suffers from

sleep apnea

Obesity is a risk factor for developing which of the following sleep disorders?

sleep apnea

The rhythmic bursts of brain activity that occur during Stage 2 sleep are called

sleep spindles

The circadian rhythm is influenced by light-sensitive retinal proteins that trigger signals to the

suprachiasmatic nucleus

Societal or parental standards belong in the _____________ level of human consciousness. A memory such as your favorite childhood toy resides in the ______________ level of human consciousness. See pages 174-175.

unconscious; preconscious

Terry has not had a decent night of sleep in over a week. If this sleep deprivation continues, he will become increasingly susceptible to

viral infections

Which of the following is an INCORRECT match from page 178?

half of infant sleep - Stage 1 sleep

The occurrence of REM rebound supports the notion that

humans, like most other mammals, need REM sleep.


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