University of Maryland, Baltimore County

AGNG 200

Quiz 3 [Controversy 2. Why Do Our Bodies Grow Old?

1) According to the textbook, the maximum human lifespan appears to be around                                   .

1. 1. 1. 80 years
      2. 100 year
      3. 120 years
      4. 150 years

1. 2.                . While life expectancy (average expected years of life from birth) has risen over time, life span (the maximum possible length of life) has                       .
      1. Not changed at all
      2. Also risen
      3. Decreased dramatically
      4. Increased recently, but will likely decrease again

1. 3.                . Which term refers to "an underlying time-dependent biological process that involves functional loss and susceptibility to disease and death"?
      1. Normal aging
      2. Functional aging
      3. Successful aging
      4. Unhealthy aging

1. 4.                . The concept that metabolism and life expectancy are closely correlated is called the

               .

1. 1. 1. Gompertz law
      2. Rectangular curve
      3. Rate-of-living concept
      4. Wear-and-tear theory of aging

1. 5.                . According to the textbook, which theory of aging completely explains all the complex processes that occur in cells and body systems relating to why we grow old?
      1. The wear-and-tear theory
      2. The autoimmune theory
      3. The aging-clock theory
      4. None of the above

1. 6.       . Broadly speaking, there are two kinds of biological theories of aging, which include                 .
      1. Chance and fate
      2. Luck and skill
      3. Wear and tear
      4. Immunity an susceptibility

1. 7.                . Which theory sees aging as the result of chance and dates back to Aristotle?
      1. The wear-and-tear theory
      2. The autoimmune theory
      3. The aging-clock theory
      4. The cross-linkage theory

1. 8.                . Which theory claims that the body may eventually become defective and no longer distinguish between its own tissues and foreign tissues?
      1. The wear-and-tear theory
      2. The autoimmune theory
      3. The aging-clock theory
      4. The cross-linkage theory

1. 9.                . According to the Global Perspectives section, Blue Zones are               .

1. 1. 1. Areas of the United States where there are higher rates of depression
      2. Countries where there are more children than older adults in the population
      3. Specific regions across the globe with high rates of longevity
      4. Areas of research considered to have the highest probability of reversing biological aging

3.10             . Which theory says aging is programmed into our bodies like a clock ticking away from the moment of conception?

1. The cellular theory
2. The autoimmune theory
3. The aging-clock theory
4. The cross-linkage theory