chapter 9 (test 2) Flashcards
(12 cards)
1
Q
24 hour society
A
stealing time from the night
- until industrial revolution, jobs as we know barely existed
- when time is the scarce resource, the night is the source of the supply
2
Q
dangers of a 24 hour society
A
- biological time affects productivity and health of a nation
- sleepiness surpasses alcohol and drugs as the greatest identifiable and preventable cause of accidents in all modes of transport
3
Q
electricity - the revolutionary
A
- provided a steady, reliable source of illumination at night
- 2 billion bulbs sold each year
- 1/4 of electricity is used for light
- jet travel contributes to light exposure at unusual hours
4
Q
shift work
A
- exposed to light when brain expects darkness
- SCN tries to adapt to new daytime which should take 12 days
5
Q
consequences of shift work
A
- blood sugar imbalance and diabetes
- inhibited mental performance
- increased risk of injury and accidents
- chronic fatigue
6
Q
cognitive burdens of shift work
A
- effects on memory
- impaired work performance and learning
- concentration is impeded
7
Q
social burdens of shift work
A
- negatively affects quality of life, with a significant decrease in patients with SWSD
- increased incidence of work-related/automobile accidentss
8
Q
SWSD
A
shift work sleep disorder
9
Q
what does shift work do to women’s health
A
- cancer (melatonin disruption)
- metabolic syndrome (increases obesity)
- increase in smoking, poor diet, and sedentary behavior
10
Q
jetlag
A
- imbalance in our body’s natural biological clock caused by traveling to different time zones
11
Q
key to 24 hour society
A
artificial light
12
Q
how much of workforce has their sleep disrupted because of work
A
1/5
