Question 1

Which of the following best defines 'consciousness' as described in Chapter 4?

Accepted Answer

A person's awareness of everything that is going on around him or her at any given moment.

Question 2

What distinguishes an 'altered state of consciousness' from 'waking consciousness'?

Accepted Answer

Altered state of consciousness involves a shift in the quality or pattern of mental activity compared to waking consciousness.

Question 3

Which brain structure acts as the body's internal clock, regulating the circadian rhythm?

Accepted Answer

Suprachiasmatic nucleus

Question 4

The suprachiasmatic nucleus influences sleep by signaling which gland to release melatonin?

Accepted Answer

Pineal gland

Question 5

A student who frequently falls asleep in class and feels irritable during the day is likely experiencing which of the following?

Accepted Answer

Sleep deprivation

Question 6

Which of the following is a symptom of sleep deprivation?

Accepted Answer

Physical discomfort and irritability

Question 7

Which theory proposes that sleep patterns evolved to help animals avoid predators?

Accepted Answer

Adaptive theory

Question 8

According to the restorative theory, sleep is necessary for which of the following?

Accepted Answer

Replenishing chemicals and repairing cellular damage

Question 9

Which type of brain wave is most associated with deep sleep?

Accepted Answer

Delta waves

Question 10

During which stage of sleep are hypnagogic images and hypnic jerks most likely to occur?

Accepted Answer

Non-REM Stage One

Question 11

A person who experiences sleepwalking is most likely in which stage of sleep?

Accepted Answer

Non-REM Stage Four (deep sleep)

Question 12

What is REM rebound?

Accepted Answer

An increase in REM sleep after being deprived of REM sleep on earlier nights

Question 13

According to Freud, the actual content of a dream is called:

Accepted Answer

Manifest content

Question 14

Which sleep disorder is characterized by sudden loss of muscle tone and immediate entry into REM sleep?

Accepted Answer

Narcolepsy

Question 15

Which of the following is NOT a common symptom of alcoholism?

Accepted Answer

Drinking only in social situations

Question 16

Which class of drugs increases the functioning of the nervous system?

Accepted Answer

Stimulants

Question 17

Which of the following drugs is a natural stimulant that produces euphoria, energy, and pleasure?

Accepted Answer

Cocaine

Question 18

Which drug is a depressant but is often mistakenly thought to be a stimulant?

Accepted Answer

Alcohol

Question 19

Which of the following is a synthetic hallucinogen known for causing powerful sensory distortions?

Accepted Answer

LSD (lysergic acid diethylamide)

Question 20

A person who needs increasing amounts of a drug to achieve the same effect is experiencing:

Accepted Answer

Tolerance

Consciousness and Sleep: Foundations in Psychology

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