Question 1

REM sleep is

Accepted Answer

A)  reduced by alcohol and reduced by sleeping pills. 
B)  increased by alcohol and reduced by sleeping pills. 
C)  reduced by alcohol and increased by sleeping pills. 
D)  increased by alcohol and increased by sleeping pills.

Question 2

During NREM-1 sleep,people may experience fantastic images that resemble

Accepted Answer

A)  delta waves. 
B)  hallucinations. 
C)  latent content. 
D)  sleep spindles.

Question 3

Shawn works the third shift at a local factory.He often has trouble falling asleep and most days does not get enough rest.This increases the likelihood that he will develop all of the following EXCEPT

Accepted Answer

A)  fatigue. 
B)  stomach problems. 
C)  heart disease. 
D)  hypertension.

Question 4

Dreams often involve sudden emotional reactions and surprising changes in scene.This best serves to support the theory that dreams

Accepted Answer

A)  strengthen our memories of the preceding day's events. 
B)  reflect our level of cognitive development. 
C)  prepare us for the stress and challenges of the following day. 
D)  are triggered by random bursts of neural activity.

Question 5

In a typical full night of sleep,young adults spend the greatest amount of time (about 50 percent)in

Accepted Answer

A)  NREM-1 sleep. 
B)  NREM-2 sleep. 
C)  NREM-3 sleep. 
D)  REM sleep.

Question 6

With the approach of night,our body temperature begins to drop.This best illustrates the dynamics of the

Accepted Answer

A)  hypnagogic state. 
B)  circadian rhythm. 
C)  alpha wave pattern. 
D)  REM rebound.

Question 7

When light strikes the retina,it signals the suprachiasmatic nucleus to suppress the production of ________by the pineal gland.

Accepted Answer

A)  melatonin 
B)  serotonin 
C)  acetylcholine 
D)  dopamine

Question 8

In which of the following disorders does the person repeatedly stop breathing while asleep?

Accepted Answer

A)  narcolepsy 
B)  sleep apnea 
C)  night terrors 
D)  insomnia

Question 9

Lee has been asleep for several hours and now is somewhat awake.He is somewhat conscious but is unable to move.He is experiencing

Accepted Answer

A)  paradoxical sleep. 
B)  sleep paralysis. 
C)  delta waves. 
D)  hallucinations.

Question 10

Which of the following is NOT a natural sleep aid?

Accepted Answer

A)  Do not drink caffeine after the early afternoon. 
B)  Exercise in the late afternoon. 
C)  Avoid long naps. 
D)  Eat before going to bed.

Question 11

The disorder involving uncontrollable attacks of overwhelming sleepiness is known as

Accepted Answer

A)  narcolepsy. 
B)  insomnia. 
C)  sleep apnea. 
D)  paradoxical sleep.

Question 12

The idea that dreams are the brain's attempt to synthesize random neural activity in the brain matches the ________ of dreaming.

Accepted Answer

A)  information-processing perspective 
B)  activation-synthesis theory 
C)  cognitive development perspective 
D)  latent content

Question 13

Mr.Oates always sleeps restlessly,snorting and gasping throughout the night.It is most likely that Mr.Oates suffers from

Accepted Answer

A)  sleep apnea. 
B)  narcolepsy. 
C)  night terrors. 
D)  insomnia.

Question 14

Compared with alpha and beta waves,delta waves are

Accepted Answer

A)  slower and smaller. 
B)  faster and larger. 
C)  slower and larger. 
D)  faster and smaller.

Question 15

The activation-synthesis theory provides a physiological explanation for

Accepted Answer

A)  dreaming. 
B)  sleep apnea. 
C)  narcolepsy. 
D)  the circadian rhythm.

Question 16

Research on sleep patterns indicates that

Accepted Answer

A)  older adults and newborns have very similar sleep patterns. 
B)  different sleep patterns reflect differences in latent dream content. 
C)  everyone needs a minimum of eight hours of sleep per night to function well. 
D)  sleep patterns are genetically influenced.

Question 17

Cindi prefers to take exams in the late afternoon rather than during the morning,because her energy level and ability to concentrate are better at that time.Her experience most likely reflects the influence of the

Accepted Answer

A)  REM rebound. 
B)  menstrual cycle. 
C)  circadian rhythm. 
D)  hypnagogic state.

Question 18

An EEG shows bursts of rapid,rhythmic brain-wave activity during ________ sleep.

Accepted Answer

A)  NREM-1 
B)  NREM-2 
C)  NREM-3 
D)  REM

Question 19

Sleep spindles are characteristic of ________ sleep.

Accepted Answer