Question 1

Which of the following best describes the concept of 'consciousness' as discussed in class?

Accepted Answer

Awareness of internal and external stimuli, with contents that are constantly changing.

Question 2

Which brain structure acts as the body's 'clock mechanism' for circadian rhythms?

Accepted Answer

Suprachiasmatic nucleus (SCN)

Question 3

A researcher wants to determine if a new medication causes improved sleep quality. Which research design should they use to make a causal claim?

Accepted Answer

Experimental study

Question 4

Which of the following is TRUE about the brain during sleep?

Accepted Answer

The brain remains active and shows different patterns of activation during various sleep stages.

Question 5

Which sleep stage is most closely associated with vivid, memorable dreams and brain waves similar to wakefulness?

Accepted Answer

Stage 5 REM

Question 6

Which of the following is a function of sleep supported by scientific evidence?

Accepted Answer

Sleep helps construct, repair, and restore the body, as well as support learning and memory.

Question 7

Which of the following best describes the difference between manifest and latent content in Freud's theory of dreams?

Accepted Answer

Manifest content is the actual storyline, while latent content is the hidden meaning.

Question 8

Which sleep disorder is characterized by episodes of stopped breathing during sleep?

Accepted Answer

Sleep apnea

Question 9

A person who suddenly falls asleep during the day, even while engaged in activities, is most likely experiencing which sleep disorder?

Accepted Answer

Narcolepsy

Question 10

Which of the following best describes the role of melatonin in the sleep-wake cycle?

Accepted Answer

Melatonin is secreted by the pineal gland in response to signals from the SCN, promoting sleep.

Question 11

Which of the following is a key characteristic of Stage 2 NREM sleep?

Accepted Answer

Sleep spindles and K-complexes

Question 12

Which lobe of the brain is primarily responsible for processing information from the body's senses?

Accepted Answer

Parietal lobe

Question 13

Which of the following best describes a 'lucid dream'?

Accepted Answer

A dream in which some aspects of wakefulness are maintained and the dreamer is aware they are dreaming.

Question 14

Which of the following is NOT a function of the central nervous system in communication?

Accepted Answer

Using hormones to communicate between organs

Question 15

Which of the following statements about REM sleep is TRUE?

Accepted Answer

REM sleep is associated with learning, memory, and frequent, vivid dreams.

Question 16

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

Accepted Answer

Dreams are the brain's attempt to make sense of random neural activity and stored memories.

Question 17

Which sleep disorder involves the absence of normal muscle paralysis during REM sleep, leading to acting out dreams?

Accepted Answer

REM behavior disorder (RBD)

Question 18

A student is asked to keep a 'stream of consciousness' journal. What psychological concept is this exercise most closely related to?

Accepted Answer

The constantly changing contents of consciousness

Question 19

Which of the following is a biological rhythm with a cycle of approximately 24 hours?

Accepted Answer

Circadian rhythm

Question 20

Which of the following best describes the main function of sleep spindles and K-complexes during Stage 2 sleep?

Accepted Answer

They help protect sleep and may play a role in memory consolidation.

Consciousness and Sleep: Study Guide for Introduction to Psychology

Study Guide - Practice Questions