Theories of Aging Quiz
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Questions and Answers

Which theoretical views form the foundation of biological theories of aging?

  • Error (stochastic) theories and predetermined aging (nonstochastic) theories (correct)
  • Wear-and-tear theory and cross-linkage theory
  • Cross-linkage theory and free radical theory
  • Free radical theory and wear-and-tear theory

    • What do both error (stochastic) theories and predetermined aging (nonstochastic) theories agree on?

  • Aging is primarily caused by free radical theory.
  • Cells in the body become disorganized or chaotic and are no longer able to replicate, and cells die. (correct)
  • Aging is the result of wearing out over time because of continued use and trauma.
  • The visible signs of aging, such as gray hair, are solely caused by cross-linkage theory.

    • What is the primary explanation provided by error theories for aging?

  • Increased activity of free radicals in the body
  • Cross-linkage of cells in the body
  • Accumulation of errors in the synthesis of cellular DNA and RNA (correct)
  • Wearing out of cells over time due to continued use and trauma

    • What are the visible signs of aging, according to the text?

    <p>Gray hair</p> Signup and view all the answers

    Which of the following is considered one of the most common theories of error, as mentioned in the text?

    <p>Wear-and-tear theory</p> Signup and view all the answers

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