Sleep and Fatigue (Alertness Management) Flashcards Preview

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Flashcards in Sleep and Fatigue (Alertness Management) Deck (10):
1

The word zeitgebers is best defined as

A. extremely stressful situations.
B. external cues that help people to stay on a 24-hour daily cycle.
C. the German word for visual illusions.
D. phenomena that cause people to fall asleep.

B. external cues that help people to stay on a 24-hour daily cycle

2

Jet lag resolves naturally as your circadian rhythms

A. reset easily after going to sleep.
B. resynchronise about one hour each day.
C. adjust quickly to the new time.
D. are reset by the stress of being in a new place.

B. resynchronise about one hour each day

3

Which of the following statements is TRUE of chronic fatigue?

A. It does not affect cognitive ability, such as decision making or judgement.
B. It can be caused by frequent movement through different time zones.
C. It is unaffected by the duration and quality of sleep.
D. It comes on quite suddenly.

B. It can be caused by frequent movement through different time zones

4

Which of the following statements about REM sleep is TRUE?

A. Alcohol or drug use can interfere with or eliminate it.
B. It is the stage in which we don’t dream.
C. It has nothing to do with feeling refreshed after sleep.
D. It occurs immediately after Stage 2.

A. Alcohol or drug use can interfere with or eliminate it

5

Which of the following statements about chronic fatigue is TRUE?

A. It is easily cured by eight hours of solid sleep.
B. It is caused by extremely stressful flight conditions.
C. It almost never has anything to do with crossing time zones.
D. It can be eased by maintaining good sleep hygiene.

D. It can be eased by maintaining good sleep hygiene

6

You can prevent time zone changes from interfering with your sleep by

A. maintaining good sleep hygiene.
B. exercising vigorously before bedtime.
C. trying various sleeping pills.
D. having a drink or two before bedtime.

A. maintaining good sleep hygiene

7

Select the correct statement:

A. it is easier for the body clock to adjust when flying from West to East.
B. it is easier for the body clock to adjust when flying from East to West.
C. it is easier for the body clock to adjust when flying from South to North.
D. it is easier for the body clock to adjust when flying from North to South.

B. it is easier for the body clock to adjust when flying from East to West

8

What is sleep inertia?

A. the feeling of being over tired, where the body will actually reject sleep even though it desperately needs it.
B. the feeling of grogginess and disorientation that can come from awakening from a deep sleep.
C. the feeling after an afternoon nap where you feel you can work for longer, delaying your normal sleep pattern.
D. the feeling of being refreshed and wide awake following a period of deep sleep.

B. the feeling of grogginess and disorientation that can come from awakening from a deep sleep

9

You have just flown to a location that is 6 hours east of your home time zone. The local time is 4 p.m. Which of the following is the BEST way to help your body adjust?

A. Take a sleeping pill.
B. Lie out in the sun for a short time.
C. Go to sleep immediately upon arrival.
D. Stay indoors with the curtains drawn to eliminate external cues.

B. Lie out in the sun for a short time

10

What do experts believe is TRUE of REM sleep?

A. It restores the mind.
B. It restores the body.
C. It only occurs during the beginning phase of sleep.
D. all of the above.

A. It restores the mind