Question 1

Which of the following best describes the main function of REM sleep according to current research?

Accepted Answer

REM sleep is essential for memory consolidation and emotional regulation.

Question 2

A student reports vivid dreams and rapid eye movements during sleep. Which stage of sleep are they most likely experiencing?

Accepted Answer

REM sleep

Question 3

Which of the following is a common effect of chronic sleep deprivation on mental health?

Accepted Answer

Impaired emotional regulation and increased perceived stress

Question 4

According to Freud, what is the primary purpose of dreams?

Accepted Answer

To fulfill unconscious wishes and desires

Question 5

Which of the following best illustrates the concept of 'circadian rhythm'?

Accepted Answer

The 24-hour cycle of physiological and behavioral processes, such as sleep-wake cycles

Question 6

A person who experiences sudden muscle weakness and falls asleep during the day, often during emotional situations, is most likely suffering from:

Accepted Answer

Narcolepsy

Question 7

Which of the following drugs is classified as a depressant and is known to enhance the effects of GABA in the brain?

Accepted Answer

Alcohol

Question 8

Which of the following statements about sleepwalking is accurate?

Accepted Answer

Sleepwalking typically occurs during deep NREM sleep and the person is usually not aware of their actions.

Question 9

Which of the following best describes the activation-synthesis theory of dreaming?

Accepted Answer

Dreams are the result of the brain's attempt to make sense of random neural activity during REM sleep.

Question 10

A person who snores loudly and experiences repeated pauses in breathing during sleep is most likely suffering from:

Accepted Answer

Sleep apnea

Question 11

Which of the following is a potential consequence of chronic use of barbiturates?

Accepted Answer

Physical and psychological dependence, and risk of fatal respiratory depression

Question 12

Which of the following best explains why shift work can negatively impact health?

Accepted Answer

Shift work disrupts the body's natural circadian rhythms, leading to sleep deprivation and associated health risks.

Question 13

Which of the following is a characteristic effect of stimulant drugs such as amphetamines?

Accepted Answer

Increased alertness and energy

Question 14

Which of the following is a key symptom of insomnia?

Accepted Answer

Difficulty falling or staying asleep for at least 3 nights a week for at least 1 month

Question 15

Which of the following best describes the role of the suprachiasmatic nucleus (SCN) in sleep?

Accepted Answer

It acts as the brain's master clock, regulating circadian rhythms in response to light.

Question 16

Which of the following is a risk factor for developing substance use disorder with cannabis?

Accepted Answer

Early onset of use, high THC content, and family history of mental health issues

Question 17

Which of the following best explains why alcohol can be dangerous when consumed in large amounts?

Accepted Answer

Alcohol depresses the central nervous system, which can suppress breathing and heart rate.

Question 18

Which of the following is a common misconception about sleep deprivation?

Accepted Answer

Sleep deprivation only affects physical health, not mental health.

Question 19

Which of the following best describes the effect of daylight savings time on sleep schedules?

Accepted Answer

Daylight savings time can disrupt circadian rhythms, leading to increased sleep problems.

Question 20

Which of the following is a defining feature of psychoactive drugs?

Accepted Answer

They alter perception, mood, consciousness, or behavior by acting on the nervous system.

Consciousness, Sleep, Dreams, and Drugs: Study Notes

Study Guide - Practice Questions