Unit 5 Quizes
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.