Chapter 3

Question 0

Disruption of circadian rhythm

Answer 0

Lead to poor or difficult to sleep, impact body temperature, pain sensitivity, mental alertness, physical strength, and the senses

Question 1

Circadian Rhythms

Answer 1

With in each 24 hour period, the regular fluctuation from high to low points of certain bodily functions and behaviors

Question 2

Stage one

Answer 2

Transition from waking to sleeping; irregular waves with occasional after waves

Question 3

Stage III

Answer 3

Deeper sleep; slow wave sleep begins when EEG shows 20% of brain waves are delta waves

Question 4

Stage two

Answer 4

Transition from light to deeper sleep; sleep spindles appear

Question 5

Stage four

Answer 5

Deepest sleep; stage for sleep begins when 50% of waves are Delta waves

Question 6

Parasomnias

Answer 6

Sleep disturbances in which behaviors and physiological states that normally take place only in the waking state occur while a person is sleeping

Question 7

Dyssomnias

Answer 7

Sleep disorders and which timing, quantity, quality of sleep is impaired

Question 8

Narcolepsy

Answer 8

An incurable sleep disorder characterized by excessive daytime sleepiness and uncontrollable attacks of REM sleep

Question 9

Insomnia

Answer 9

As a disorder characterized by difficulty falling or staying asleep, by waking too early, or by sleep that is light, restless, or of poor quality

Question 10

Physical drug dependence

Answer 10

Results from the body’s natural ability to protect itself against harmful substances by developing a drug tolerance. Tolerance occurs because the brain adapts to the presence of the drug by responding less intensively to it. In addition, the liver produces more enzymes to break down the drug.