Health 231 Quiz #4

Students who begin to doze off during a lecture are usually in which stage of sleep? A. 4 B. 2 C. 3 D. 1

1

How much sleep do newborns need daily? A. 13 to 15 hours. B. 19 to 21 hours. C. 16 to 18 hours. D. 10 to 12 hours.

16 to 18 hours

During which stage of sleep does a person disengage from the environment? A. 1 B. 2 C. 3 D. 4

2

According to a major U.S. consensus statement, most adults should get how many hours of sleep per night for optimal health? A. 6 or more. B. 7 or more. C. 8 or more. D. 9 or more.

7 or more

Sleepwalking sometimes occurs during... A. NREM stage 2. B. NREM stage 1. C. NREM stage 4. D. NREM stage 3.

NREM stage 4

After working on a class project all week and only sleeping about four hours per night, Courtney is... A. increasing her ability to handle sleep deprivation. B. improving her productivity. C. compromising her immunity. D. getting an adequate amount of sleep for her body needs.

compromising her immunity

All of the following negatively affect the quality of sleep EXCEPT... A. Needing to get out of bed to go to the bathroom. B. Getting lots of exercise during the day. C. Drinking caffeine at night. D. Drinking alcohol at night.

getting lots of exercise during the day

The restful, restorative period of sleep is... A. rapid-wave sleep. B. alternating-wave sleep. C. non-REM sleep. D. REM sleep.

non-REM sleep

Bedwetting, snoring, sleepwalking, and sleep-related eating disorder are all examples of... A. major somnipathies. B. disorders of sleep hygiene. C. parasomnias. D. REM sleep disorders.

parasomnias

In preparation for his exam, Juan plans to stay up all night studying. According to research, this strategy will likely result in... A. a higher grade on his exam. B. increased short-term memory only. C. reduced cognitive ability. D. improved memory in general.

reduced cognitive ability

The sleep disorder in which a person experiences unpleasant sensations in the legs and an uncontrollable urge to move to relieve the sensations is... A. central sleep apnea. B. narcolepsy. C. restless legs syndrome. D. sleepwalking.

restless legs syndrome

During a sleep study, a person spends the night in a sleep lab, and his or her body functions are monitored by... A. sensors and electrodes. B. full-time sleep specialists. C. imaging equipment. D. nurses on the night shift.

sensors and electrodes

The sleep disorder in which breathing is interrupted many times during sleep is... A. sleep inertia. B. narcolepsy. C. sleep apnea. D. insomnia.

sleep apnea

The difference between hours of sleep needed and actual hours slept is... A. sleep pattern. B. sleep debt. C. sleep inertia. D. sleep ratio.

sleep debt

When you feel groggy and disoriented after a long nap, you are experiencing... A. sleep apnea. B. insomnia. C. sleep inertia. D. narcolepsy.

sleep inertia

All of the following medications can cause drowsiness EXCEPT... A. antihistamines. B. muscle relaxants. C. antidepressants. D. stimulants.

stimulants

Non-REM sleep is called slow-wave sleep because... A. this is the deepest stage of sleep. B. it is the stage during which dreams occur. C. there is slow eye movement during this stage. D. the brain generates theta and delta waves.

the brain generates theta and delta waves

What percentage of the world's population lacks adequate sleep? A. about 35 percent B. about 55 percent C. about 45 percent D. about 25 percent

about 45 percent

Obstructive sleep apnea increases a person's risk for all of the following EXCEPT... A. high blood pressure. B. irregular heartbeats. C. asthma. D. stroke.

asthma

Using electronic devices before bed may disrupt sleep patterns for all of the following reasons EXCEPT the... A. increased alertness they can cause. B. sleep-inducing hormone they suppress. C. blue light they give off. D. beeping sounds they sometimes produce.

beeping sounds they sometimes produce

During non-REM sleep... A. body temperature and energy use drop. B. vivid dreams occur. C. heart rate increases. D. digestive processes come to a halt.

body temperature and energy use drop

The disruption of which factor results in jet lag? A. circadian rhythm B. natural light C. blood glucose level D. blood pressure

circadian rhythm

André has a job in international affairs that requires him to travel frequently across multiple time zones. André is at increased risk for... A. narcolepsy. B. sleepwalking. C. circadian rhythm disorder. D. night terrors.

circadian rhythm disorder

Which of the following actions helps maintain a sleep-promoting environment? A. Cleanliness: Wash your sheets and other bedding regularly, and get rid of clutter. B. Light: Keep the bedroom brightly lit until you are ready to go to sleep. C. Comfort: Keep your cell phone, TV, laptop, and/or other devices by your bed so that you know you can reach them easily should you need them. D. Warmth: Set the thermostat in your bedroom to 68-70 degrees Fahrenheit.

cleanliness: Wash your sheets and other bedding regularly, and get rid of clutter

Sleep disorders can be diagnosed through a(n)... A. survey of sleep habits. B. physical exam and blood tests. C. evaluation of all daily activities. D. clinical sleep study.

clinical sleep study

When Marlon gets adequate sleep the night before his intramural basketball games, he has more energy and can run faster and perform better. This can be attributed to... A. cognitive ability being restored during sleep. B. conservation of body energy during sleep. C. increased body temperature and caloric expenditure during sleep. D. increased brain activity during sleep.

conservation of body energy during sleep

The most commonly prescribed therapy for obstructive sleep apnea is... A. an implantable upper airway stimulator. B. a prescription sedative. C. continuous positive airway pressure. D. surgical removal of tissue in the upper airway.

continuous positive airway pressure

Which of the following is a major contributor to college students' lack of sleep? A. having to get up early for morning classes B. electronic devices C. failing grades D. eating spicy food

electronic devices

Carol believes that she sleeps reasonably well at night, yet she feels chronically sluggish and frequently nods off during classes. Carol is most likely experiencing... A. excessive daytime sleepiness. B. secondary somnolence. C. insomnia. D. clinical depression.

excessive daytime sleepiness

Which of the following is TRUE about the effect of exercise on your quality of sleep? A. Exercising a couple of hours before sleep improves sleep more than exercising in the morning. B. Exercising strenuously heats up your body and thereby helps you to fall asleep. C. Exercising strenuously in the morning or afternoon boosts sleep quality. D. Aerobic exercise improves sleep more than aerobic exercise combined with stretching.

exercising strenuously in the morning or afternoon boosts sleep quality

Adequate sleep may enhance intellectual health in all the following ways EXCEPT by... A. synthesizing learning. B. consolidating memories. C. clearing the brain of daily minutia. D. expending energy.

expending energy

Obstructive sleep apnea (OSA) commonly results in... A.deep breathing. B. frequent night waking. C. reduced snoring. D. restful sleep.

frequent night waking

One factor contributing to narcolepsy appears to be... A. genetic. B. bacterial. C. viral. D. environmental.

genetic

According to research, immune function is increased in adolescents who... A. get more than 9 hours of sleep a night. B. get 8 hours of sleep a night. C. get 7 hours of sleep a night. D. get 9 hours of sleep a night.

get more than 9 hours of sleep a night

Vijay often tosses and turns, unable to sleep for an hour or more after he goes to bed. Which of the following will help change this pattern and allow him to fall asleep faster? A. getting up after 20 minutes and doing something relaxing until he feels sleepy B. staying in bed and using his laptop to check out his friends' Facebook updates C. staying in bed and checking the clock every 15 minutes D. getting out of bed, exercising vigorously, and taking a warm shower

getting up after 20 minutes and doing something relaxing until he feels sleepy

During stage 4, a sleeping person's pituitary gland releases which of the following hormones? A. growth hormone B. melanin C. insulin D. melatonin

growth hormone

Howard is 88 years old and in excellent health. All his life, he has thrived on just 5 hours of sleep a night. The most likely explanation for Howard's good health despite his lifelong short sleep habit is that he... A. drinks four or more caffeinated beverages per day. B. is inaccurate in recalling how much sleep he gets. C. has a unipolar mood disorder that decreases his sleep needs. D. has a genetic variant affecting his circadian rhythm.

has a genetic variation affecting his circadian rhythm

How does sleep deprivation affect drivers? A. impairs motor skills B. increases hunger C. increases thirst D. improves response time

impairs motor skills

Maria has difficulty falling asleep quickly, and many morning she wakes feeling unrefreshed. Maria most likely has... A. insomnia. B. hypersomnolence. C. restless legs syndrome. D. sleep apnea.

insomnia

The most common sleep disorder is... A. narcolepsy. B. insomnia. C. sleep apnea. D. sleepwalking.

insomnia

Light traveling through the retina of the eye is a key factor in the regulation of... A. dreams. B. metabolism. C. melatonin. D. stage 1 sleep.

melatonin

The hormone released by the pineal gland that causes drowsiness is... A. melatonin. B. melanin. C. insulin. D. growth hormone.

melatonin

Of the following countries, in which do citizens, on average, get the most sleep? A. Mexico B. Japan C. UK D. USA

mexico

The condition that causes people to fall asleep involuntarily during the day is... A. sleep inertia. B. insomnia. C. narcolepsy. D. sleep apnea.

narcolepsy

Which of the following statements about caffeine is true? A. Caffeine consumption among college students has declined steadily in the past decade. B. The sleep-impairing effects of caffeine can last for 7.7 hours or more. C. A cup of drip coffee and a double espresso have about the same amount of caffeine. D. Although caffeine is widely thought to increase alertness, it does not actually have this effect.

the sleep-impairing effects of caffeine can last for 7.7 hours or more

Sean becomes very sleepy by late afternoon most days and thinks he should make time to fit in a nap. Before including a daily nap in his schedule, he should consider which of the following to ensure that he actually benefits from it? A. his need for caffeine in the afternoon B. the time of day and length of the nap C. his accumulated sleep debt D. his body weight and tendency to snore

the time of day and length of nap

Insomnia is often characterized by... A. waking up frequently during the night. B. temporary lapses in breathing while asleep. C. chronic joint pain upon lying down. D. nightmares.

waking up frequently during the night