Role of Vitamins in Preventing Age-Related Diseases and Programmed Cell Death Theories Quiz
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Questions and Answers

Which of the following vitamins help prevent the formation of free radicals by preventing oxygen from combining with molecules?

  • Vitamin D
  • Vitamin B
  • Vitamin K
  • Vitamin A (correct)

What is the role of vitamin C in relation to free radicals and aging?

  • Accelerate the aging process
  • Promote the formation of free radicals
  • Prevent free radicals from forming (correct)
  • Have no impact on free radicals

What is the main function of programmed cell death in aging?

  • Promote cell growth
  • Trigger processes in other cells (correct)
  • Prevent cell division
  • Increase life span

Why is it important to further understand genetic programming theories in relation to aging?

<p>To explain individual differences in aging (D)</p> Signup and view all the answers

What do the implications of the developmental forces refer to in the context of aging theories?

<p>Interact dynamically with various forces to explain individual differences in aging (B)</p> Signup and view all the answers

What is the main assumption behind Rate-of-Living Theories in the context of aging?

<p>People are born with a limited amount of potential that can be expended at some rate (C)</p> Signup and view all the answers

Which cellular theory suggests that there might be limits on how often cells divide before dying?

<p>Hayflick limit theory (C)</p> Signup and view all the answers

What happens to the tips of chromosomes (telomeres) according to the Hayflick limit theory?

<p>They become shorter with each replication until they can't replicate anymore (C)</p> Signup and view all the answers

What is the main role of free radicals in cellular metabolism according to theories of aging?

<p>To cause cellular damage as a byproduct of normal metabolism (B)</p> Signup and view all the answers

Which theory suggests that cellular aging may be impacted by the formation of cross-links that make tissues stiff?

<p>Cross-linking theory (D)</p> Signup and view all the answers

What neurotransmitter is mainly implicated in cognitive aging based on the text?

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

Which brain structure experiences considerable shrinkage in older age according to the text?

<p>Frontal lobe (B)</p> Signup and view all the answers

What type of information processing shows age-related increase in older adults?

<p>Automatic judgment processes (A)</p> Signup and view all the answers

Which theory proposes that intelligence arises from distributed and integrated networks in specific brain areas?

<p>Parieto-Frontal Integration Theory (C)</p> Signup and view all the answers

The CRUNCH hypothesis suggests that aging brains tend to overutilize regions in which hemisphere on demanding tasks?

<p>Left hemisphere (D)</p> Signup and view all the answers

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