Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
16 Cards in this Set
- Front
- Back
|
Demographics is the study of human populations with emphases on what two things?
|
Size and density distribution.
|
|
|
The biggest survival rate increases have been seen in what age group from what time period to what time period?
|
From ages 20 to 90 from 1900 to 1950.
|
|
|
From the past to present the percentage of the elderly has been increasing/decreasing/same. What age group has been decreasing in number?
|
Increasing. Ages 0-14.
|
|
|
The two main probable causes of longevity in women are _____ and ______. What are four other possible causes?
|
Genetic and environmental.
1) Less stress 2) Less smoking. 3) Protective action of smoking. 4) Lesser accumulation of mDNA deletions/mutations, with better protection from oxidative damage. |
|
|
Women with mothers that lived past 90 are generally what compared to women whose parents didn't live as long
|
Healthier.
|
|
|
What are the three main things seen in population aging?
|
1) Increase in the elderly
2) Decrease in the youth 3) Increasing average age |
|
|
Population aging is caused by a process known as ______.
|
Demographic transition
|
|
|
Demographic transition is caused by two main things. They are ________.
|
Decline in mortality and fertility.
|
|
|
Two major consequences of the demographic transition are _______.
|
Population growth and population aging.
|
|
|
Population aging is seen in three ways, and it is caused by what?
|
a.Increasing average age
b.Increasing share of elderly c.Decreasing share of youth Caused by demographic transition |
|
|
Demographic transition is caused by what and what and leads to what and what?
|
Caused by decline in mortality and fertility.
Leads to population growth and aging. |
|
|
There is a decrease in risk factors at every age group, except from ages ______, why?
|
10-20, because there is an increased risk of accidents and homicide.
|
|
|
Max age has been increasing or decreasing, why?
|
Max age has been increasing because of increased treatments for elderly and later age illnesses.
|
|
|
Currently, the fertility rate is what in the US standard across all ethnicities, except what ethnicity with a fertility rate of what?
|
2.1. Hispanics. 3.1
|
|
|
A gap between the falling of deal rates and fertility rates created the opportunity to increase overall population numbers, which one fell first?
|
Death rates fell first, then fertility rates fell.
|
|
|
How did the population shift towards from having fewer old people to fewer young people?
|
Originally, there were more young people from a decrease in infant mortality. Overtime, people started living longer, and the fertility rates drop, which shift the population to having more old people.
|
