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The crude death rate is called "crude" because it does not take into account the age and sex distribution of the population.

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Of the following statistical concepts, the _______ is not directly used to calculate life expectancy.


A) age-specific death rate
B) age-adjusted death rate
C) probability of dying between two different ages
D) number of years lived

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The planned obsolescence theory of human aging suggests that


A) we undergo a process of senescence as we age.
B) our bodies are like machines that wear out.
C) our cells have a built-in time clock that eventually stops.
D) there is a high probability of Alzheimer's if we live long enough.

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At which of the following ages does the average human has the highest risk of death?


A) 0
B) 1
C) 5
D) 15

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A

The plague disappeared from Europe at about the time that the Industrial Revolution was getting started.

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The available evidence suggests that the Spanish Influenza epidemic of 1918 actually erupted first in the West African country of Sierra Leone.

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With respect to longevity, it is accurate to say that


A) it is measured by the concept of life span.
B) about 25 percent of the variability is due to inherited characteristics.
C) about 50 percent of the variability is due to economic factors.
D) the single most important element in variability is your outlook on life.

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For most of human history, up to the modern era, life expectancy was probably about ______ years.


A) 20-30
B) 30-40
C) 40-50
D) 50-60

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The most dramatic increases in life expectancy since the end of World War II have occurred in


A) Africa.
B) Asia.
C) Latin America.
D) Europe.

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In human and many non-human animal populations, females have a biological survival advantage over men.

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Discuss how different the world of the twenty-first century would be if (1) death rates had not declined as they did in the first part of the twentieth century; and (2) if World War II had not happened.

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Answered by ExamLex AI

If death rates had not declined as they did in the first part of the twentieth century, the world of the twenty-first century would be vastly different. Without the decline in death rates, the global population would likely be much smaller, as higher mortality rates would have limited population growth. This would have had significant implications for global demographics, economic development, and social structures. Additionally, the healthcare and medical industries would not have advanced as rapidly, leading to higher rates of infectious diseases and lower life expectancies. Furthermore, if World War II had not happened, the world of the twenty-first century would also be markedly different. The war had a profound impact on global politics, economics, and social structures. Without the devastation and loss of life caused by the war, many countries would have likely developed differently, and the balance of power among nations would have been altered. Additionally, the post-war period saw the rise of international organizations such as the United Nations, which played a crucial role in shaping the global order. Without the war, the geopolitical landscape and international relations would have evolved in a different manner. In conclusion, both the decline in death rates and the occurrence of World War II had significant and lasting impacts on the world of the twenty-first century. These events shaped global demographics, healthcare systems, international relations, and the overall trajectory of human development. Without these historical developments, the world as we know it today would be fundamentally different.

Given the current world averages, an infant mortality rate of 50 deaths per 1,000 live births would be considered low.

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The basic lesson of the declines in mortality over time from one country to another is that


A) a high standard of living is required to bring down the death rate.
B) curing disease is more important than preventing disease.
C) the larger the country, the easier it is to reduce mortality.
D) there are many ways by which low mortality may be achieved.

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What are the possible explanations for the apparent biological regularity that women live longer than men? How is the social world affected by this difference?

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There are several possible explanations ...

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In its broadest terms, the decline in mortality over the past 200 years has been due primarily to


A) improved medical care.
B) higher-quality water and better sewerage.
C) vaccinations against infectious disease.
D) control over the environment.

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At which of the following ages does the average human has the lowest risk of death?


A) 0.
B) 1.
C) 5.
D) 15.

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World War II was a turning point in world mortality decline because it


A) taught the world the value of human life.
B) created new ways of coping with violent death.
C) led to the development of the germ theory.
D) led to the spread of death control technology around the world.

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Medical advances were the main reason for the decline of mortality in Europe and the United States in the nineteenth and early twentieth centuries.

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Life expectancy in the United States is now twice what it was 150 years ago.

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Life expectancy in Mexico currently lags well behind that in the United States and Canada.

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