Consciousness

Question 1

What are the two main categories of sleep?

Answer 1

Non-REM (NREM) sleep and REM sleep.

Question 2

True or False: REM sleep is characterized by rapid eye movement.

Answer 2

True.

Question 3

Fill in the blank: The first stage of NREM sleep is known as _____ sleep.

Answer 3

Stage 1 sleep.

Question 4

What is the primary function of Stage 2 sleep?

Answer 4

It is important for memory consolidation and learning.

Question 5

Multiple choice: Which stage of sleep is considered the deepest? A) Stage 1 B) Stage 2 C) Stage 3 D) REM

Answer 5

C) Stage 3.

Question 6

What occurs during REM sleep?

Answer 6

dreaming, increased brain activity, and the body is paralyzed

Question 7

True or False: NREM sleep accounts for approximately 75-80% of total sleep time.

Answer 7

True.

Question 8

What physiological changes occur during REM sleep?

Answer 8

Increased heart rate, irregular breathing, and muscle atonia.

Question 9

Fill in the blank: The sleep cycle typically lasts about _____ minutes.

Answer 9

90 minutes.

Question 10

During which stage of sleep is it hardest to awaken a person?

Answer 10

Stage 3 sleep.

Question 11

Multiple choice: Which hormone is primarily associated with the regulation of sleep? A) Cortisol B) Melatonin C) Serotonin D) Adrenaline

Answer 11

B) Melatonin.

Question 12

True or False: Sleep cycles become longer as the night progresses.

Answer 12

False.

Question 13

What is the typical duration of REM sleep in a sleep cycle?

Answer 13

About 20-25% of total sleep time.

Question 14

Fill in the blank: The NREM sleep stages include Stage 1, Stage 2, and _____ sleep.

Answer 14

Stage 3.

Question 15

What is the main characteristic of Stage 1 sleep?

Answer 15

lightest sleep and theta waves are being produced

Question 16

Multiple choice: How many sleep cycles do most people experience in a typical night? A) 1-2 B) 3-4 C) 4-6 D) 6-8

Answer 16

C) 4-6.

Question 17

What is the primary function of Stage 3 sleep?

Answer 17

Physical restoration and growth.

Question 18

True or False: Sleep deprivation can lead to cognitive impairments.

Answer 18

True.

Question 19

During which stage does the body undergo significant physical repair?

Answer 19

Stage 3 sleep.

Question 20

Fill in the blank: The brain is most active during _____ sleep.

Answer 20

REM.

Question 21

What percentage of sleep is typically spent in REM sleep for adults?

Answer 21

About 20-25%.

Question 22

Multiple choice: Which stage is associated with the transition from wakefulness to sleep? A) Stage 1 B) Stage 2 C) Stage 3 D) REM

Answer 22

A) Stage 1.

Question 23

What is a common effect of waking up during REM sleep?

Answer 23

Feeling groggy or disoriented.

Question 24

True or False: Sleep architecture changes with age.

Answer 24

True.

Question 25

What are the characteristics of Stage 2 sleep?

Answer 25

Decreased heart rate, body temperature drops, and sleep spindles/K complexes appear.

Question 26

Frequency

Answer 26

Speed of a brain wave

Question 27

Amplitude

Answer 27

Height of a brain wave

Question 28

Does wakeness equate to high or low frequency?

Answer 28

High

Question 29

Does sleep/rest equate to high or low frequency?

Answer 29

Low

Question 30

Which form of brain wave occurs when one is alert and has the highest frequency?

Answer 30

beta waves

Question 31

True or false: theta waves occur when one is awake but relaxed

Answer 31

False

Question 32

Which form of brain wave occurs when one is awake, but relaxed?

Answer 32

alpha waves

Question 33

Multiple choice: which brainwave occurs during sleep? A.) delta waves B.) theta waves C.) beta waves D.) alpha waves

Answer 33

B.) theta waves

Question 34

Which form of brain wave occurs during deep sleep or a coma and has the lowest frequency?

Answer 34

delta waves

Question 35

REM rebound

Answer 35

one gets less REM sleep than usual, so the deprivation of REM sleep causes them to enter it quicker the next time they sleep

Question 36

In what stage of sleep do K complexes and sleep spindles occur?

Answer 36

stage II (non-REM 2)

Question 37

K complexes

Answer 37

High amplitude waves that protects one from waking up

Question 38

Sleep spindles

Answer 38

Short burst of high frequency that play a role in memory consolidation