Geriatric Nutrition

Play an AI-generated podcast conversation about this lesson

What is a major hallmark of the aging process?

Absence of regulatory capacity in the face of external stressors

Decreased regulatory capacity in the face of external stressors (correct)

Increased capacity to regulate external stressors

Unchanged regulatory capacity in the face of external stressors

What is the effect of vitamin E on life span?

It decreases mean life span

It has no effect on life span

It has variable effects on life span

It increases mean life span (correct)

What is the result of biochemical components of cells becoming altered with time?

Their molecular function is enhanced

Their molecular function is unchanged

Their molecular function is compromised (correct)

Their molecular function is accelerated

What is the primary outcome of the aging process?

Death Signup and view all the answers

What is the effect of dietary restriction on maximal life span in animal studies?

It increases maximal life span Signup and view all the answers

What is the name of the theory that explains the aging process at the molecular level?

The free radical theory of aging Signup and view all the answers

What is the main function of vitamin E?

To break the chain of free radical reactions Signup and view all the answers

What is a common food source of the flavonoid quercetin?

Onions Signup and view all the answers

What is the primary action of flavonoids?

To act as antioxidants Signup and view all the answers

What is a benefit of vitamin C?

To support immune system function Signup and view all the answers

What is the function of vitamin A?

To support vision and immune system function Signup and view all the answers

What is curcumin?

A yellow curry spice Signup and view all the answers

What is the primary driving force behind molecular alterations in cells?

Free radicals in the form of highly reactive oxygen and nitrogen compounds Signup and view all the answers

What is the correlation between species longevity and repair mechanisms?

Species longevity is directly related to the efficiency of its repair mechanisms Signup and view all the answers

What is the expected outcome of increasing protection against free radicals or repairing free radical damage?

Positive effects on functionality and longevity Signup and view all the answers

Which of the following vitamins is not considered an antioxidant vitamin?

Vitamin D Signup and view all the answers

What is the primary goal of feeding vitamins with antioxidant properties?

To increase protection against free radicals Signup and view all the answers

Which of the following is a consequence of altered tissue function?

Aging and death of the whole organism Signup and view all the answers