Theories of Aging in Clinical Sciences IV Geriatrics Quiz
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Questions and Answers

What is a key factor in defining the impact of aging on health according to the text?

  • Telomere Theory
  • Transposable Element Activation
  • Attitude (correct)
  • Accumulation Theories

Which theory emphasizes the importance of maintaining good health, functionality, cognition, and social engagement for successful aging?

  • Epigenetic Theory (correct)
  • Error Catastrophe Theory
  • Telomere Theory
  • Accumulation Theories

What aspect prompts older adults to think about spirituality according to the text?

  • Death of friends (correct)
  • Nearing own death
  • Religious practices
  • Legacy considerations

What should patients do to challenge themselves to 'Use it or Lose it' in terms of aging?

<p>Work their brain with learning activities (C)</p> Signup and view all the answers

Which factor is suggested by the text as vital for extending healthspan and reducing anxiety in older adults?

<p>Participating in religious events (B)</p> Signup and view all the answers

What does the text suggest can impact how long an individual may live?

<p>Humor (C)</p> Signup and view all the answers

What is triggered when cells acquire critically short telomeres?

<p>Cellular replicative senescence (C)</p> Signup and view all the answers

Which process involves transposing individual genes or portions of chromosomes to other locations?

<p>Transposable Element Activation (B)</p> Signup and view all the answers

What does the Epigenetic Theory focus on in relation to aging?

<p>Gene regulation changes with age (D)</p> Signup and view all the answers

Which theory emphasizes the accumulation of cellular and extracellular components that compromise cellular function?

<p>Accumulation Theories (A)</p> Signup and view all the answers

Which theory suggests damage not to genes themselves but to RNA and proteins that read the genes?

<p>Error Catastrophe Theory (D)</p> Signup and view all the answers

What process results in the accumulation of lipofuscin and compromised cellular function according to one theory?

<p>Accumulation Theories (D)</p> Signup and view all the answers

Which theory suggests that gene regulation can be altered due to DNA methylation and chromatin binding?

<p>Epigenetic Theory (D)</p> Signup and view all the answers

'The faster the metabolism, the shorter the life' is associated with which theory of aging?

<p>'Energetics Theories' (B)</p> Signup and view all the answers

'Kill Switch' concept is related to which theory of aging?

<p>'Epigenetic Theory' (C)</p> Signup and view all the answers

What is a common consequence of mitochondrial DNA damage?

<p>Reduced cellular function (B)</p> Signup and view all the answers

How do free radicals primarily affect the aging process?

<p>By causing oxidative stress and damage to cells (D)</p> Signup and view all the answers

In the context of aging, what is a key role of epigenetics?

<p>Regulating gene expression without altering the DNA sequence (A)</p> Signup and view all the answers

What happens when cells acquire critically short telomeres?

<p>Cellular senescence or death (D)</p> Signup and view all the answers

What is a primary characteristic of targeted DNA damage in relation to aging?

<p>Accumulation of specific genetic mutations (B)</p> Signup and view all the answers

Which process is most likely to be impacted by targeted DNA damage according to the text?

<p>Cellular functionality (C)</p> Signup and view all the answers

What type of theory suggests that damage to genes from different sources leads to alterations in structure and signaling for repair molecules?

<p>Target Theory of Genetic Damage (B)</p> Signup and view all the answers

Which theory suggests that telomeres shorten with each successive cell division ultimately triggering cellular replicative senescence?

<p>Telomere Theory (B)</p> Signup and view all the answers

What theory involves gene regulation variations due to DNA methylation or chromatin binding, leading to altered genetic expression?

<p>Epigenetic Theory (D)</p> Signup and view all the answers

Which theory posits that mitochondrial damage reduces energy production, increases free radical formation, and hampers cellular processes control?

<p>Mitochondrial Damage Theory (C)</p> Signup and view all the answers

Which theory involves the cumulative transposition of genes or portions of chromosomes?

<p>Transposable Element Activation (B)</p> Signup and view all the answers

What theory focuses on abnormal proteins forming due to damaged transcription, affecting gene instructions?

<p>Error Catastrophe Theory (B)</p> Signup and view all the answers

In the context of aging theories, what process is triggered when cells acquire critically short telomeres?

<p>Telomere Theory (D)</p> Signup and view all the answers

What theory emphasizes the importance of maintaining good health and cognitive function for successful aging?

<p>Endocrine Theory (A)</p> Signup and view all the answers

What theory proposes that the accumulation of cellular and extracellular components compromises cellular function over time?

<p>Accumulation Theories (B)</p> Signup and view all the answers

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