Exam 17: Life Cycle Nutrition: Adulthood and the Later Years

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The loss of brain function beyond the normal loss of physical adeptness and memory that occurs with aging is called _________.

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senile dementia

What is the most important nutrition concern for people with Alzheimer's disease? 

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How might nutrition prevent and/or treat of cataracts and macular degeneration?

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Oxidative stress appears to play a significant role in the development of cataracts,but supplements of the antioxidant nutrients (vitamin C,vitamin E,and carotenoids)do not seem to prevent or slow the progression.By comparison,a healthy diet that includes plenty of fruits and vegetables rich in these antioxidant nutrients does seem to slow the progression or reduce the risk of developing cataracts.A word of caution: vitamin C supplements in high doses (1000 milligrams)and long duration (several years)may increase the risk of cataracts.One other diet-related factor may play a role in the development of cataracts- obesity.Obesity appears to be associated with cataracts,but its role has not been identified.Risk factors that typically accompany obesity,such as inactivity,diabetes,or hypertension,do not explain the association.The leading cause of visual loss among older people is age-related macular degeneration,a deterioration of the macular region of the retina.As with cataracts,risk factors for age-related macular degeneration include oxidative stress from sunlight.Preventive factors may include supplements of the omega-3 fatty acids,some B vitamins (folate,vitamin B6,and vitamin B12),antioxidants (vitamin C,vitamin E,and beta-carotene),zinc,and the carotenoids lutein and zeaxanthin.

What was the average life expectancy in the United States in 1900? 

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MATCHING -Clumps of this substance make up senile plaques

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________ initiate and conduct nerve impulse transmissions.

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What percentage of adults aged 65 years and older takes at least one prescription medicine? 

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Louis is an 80-year-old man.How much have his energy needs declined since he was 30 years old? 

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Animal research has shown life-prolonging benefits when energy intake is restricted to about ________ percent of normal.

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How does stress affect the aging process? How do stress responses vary by gender?

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MATCHING -Loss of skeletal muscle mass,strength,and quality

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MATCHING -Age-related cloudy areas of the eye lenses

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MATCHING -Joint inflammation involving a defective immune system

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1 in ________ U.S.adults is affected by Alzheimer's disease after age 65.

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The basal metabolic rate declines ________ percent per decade due to lean muscle mass and diminishing thyroid hormones.

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The maximum potential human life span is currently about ________ years.

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What organ is affected by macular degeneration,a common condition for older people? 

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What is a common side effect from taking certain prescription drugs and consuming grapefruit juice? 

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By 2030,approximately what fraction of the U.S.population is projected to be 65 years or older? 

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Which of the following foods has been shown to reduce joint inflammation in people with rheumatoid arthritis? 

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