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Nutrition and Health in Older Adults

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Questions and Answers

What is a by-product of energy generation in mitochondria?

Organic compound
Free radical (correct)
Metabolic enzyme
Hormonal response

What is the relationship between metabolism and life span according to the Rate-of-Living Theory?

Faster metabolism leads to a longer life span
Faster metabolism leads to a shorter life span (correct)
Metabolism has no impact on life span
Metabolism is only correlated with life span in certain species

What is the term for the ability of body organs and systems to exert extra effort under acute stress?

Energy surplus
Reserve capacity (correct)
Vital capacity
Metabolic reserve

What is affected in the aging brain?

Executive functioning (B) Signup and view all the answers

How do older adults compensate for declining processing capacities?

By utilizing their vast store of knowledge (B) Signup and view all the answers

What is the age at which the survival curve currently ends?

100 (D) Signup and view all the answers

What is the characteristic of the brain in late adulthood?

Gradual decrease in volume and weight (A) Signup and view all the answers

What is the main difference in decision-making between older adults and younger adults?

Older adults make slower, but often better decisions (D) Signup and view all the answers

What is the impact of free radicals on surrounding tissues?

They have a negative effect on surrounding tissues (B) Signup and view all the answers

What is the primary mechanism by which mitochondria contribute to the aging process?

By releasing more free radicals (D) Signup and view all the answers