Ch 17 Quiz

Question 1

How can lack of sleep affect the hormones that regulate appetite?

Answer 1

Levels of leptin decrease and levels of ghrelin increase.

Question 2

By our late forties, ____ of deep sleep is gone.

Answer 2

60% - 70%

Question 3

The average sleep cycle lasts for approximately ________ minutes.

Answer 3

90

Question 4

According to the Public Health Agency of Canada, approximately _______ of Canadians aged 18 to 34 years do not get enough sleep.

Answer 4

25%

Question 5

Sleep experts recommend:

Answer 5

using screens less during the day.

Question 6

On average, how many hours of sleep a night do teenagers need?

Answer 6

8-11 hours

Question 7

How many cycles of NREM sleep does a person typically go through before reaching REM sleep?

Answer 7

4-5

Question 8

A symptom of narcolepsy, known as __________________, is a sudden loss of muscle control, resulting in slurred speech and buckling legs.

Answer 8

Cataplexy

Question 9

During wakefulness, when a person is quietly resting with eyes closed, the electroencephalogram (EEG) shows a pattern called the __________ rhythm.

Answer 9

Alpha

Question 10

By what age may the stage of deep sleep be completely absent?

Answer 10

74

Question 11

Teenagers naturally tend to not feel sleepy until later at night and sleep longer in the morning due to

Answer 11

delayed sleep phase

Question 12

To improve one’s sleep quality, it’s best to limit __________ as these absorb the sleep pressure that accumulates during the day, in the natural homeostatic sleep drive.

Answer 12

naps

Question 13

Which of the following sleep disorders can affect as many as 25% of pregnant women?

Answer 13

Restless leg syndrome

Question 14

Rosa works the night shift and regularly stays awake until 6 a.m. and sleeps until 2 p.m. Which of the following describes this pattern?

Answer 14

delayed sleep phase

Question 15

All of the following are methods to help treat insomnia EXCEPT:

Answer 15

taking long, frequent naps.

Question 16

Insufficient sleep is associated with all of the following conditions, EXCEPT:

Answer 16

Bipolar disease

Question 17

When natural light fades at dusk, an impulse is conveyed to the pineal gland in the brain to produce ____________, which signals to systems that are involved in preparation for sleep.

Answer 17

Melatonin

Question 18

A person is considered to have chronic insomnia if sleep disruption occurs:

Answer 18

At least three nights a week for at least three months.

Question 19

People who are ______ often have problems with sleep because they cannot sense the light signals that help synchronize circadian rhythms.

Answer 19

blind

Question 20

All of the following are zeitgebers, EXCEPT:

Answer 20

melatonin