27 terms

Nutrition 16

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Reserve capacity
Extra cells that body organs can use to replace dead cells.
Life span
The greatest possible length of time that an organism can live.
Life expectancy
The length of time that a person born in a certain year will probably live.
Cancer
Abnormal cell growth that invades and damages tissues and organs.
Tumor
A tissue growth in the body that serves no physiological purpose. It is either cancerous or non-cancerous.
Malignant
Cancerous and harmful to the body.
Benign
Not cancerous.
Metastasize
To spread from one site to another in the body.
Carcinogen
A substance that can cause cancer.
Anticarcinogen
A substance that can help prevent cancer.
Alzheimer's disease
A progressive brain disease that causes dementia.
is the name of the chronic and progressive disease characterized by prolonged fatty infiltration of the liver with fibrous connective tissue replacing destroyed liver cells.
Cirrhosis
To prevent ________, older adults should exercise and increase intake of both fiber and water.
constipation
Of all alcohol sources, __________ often is singled out as the best choice because of the added bonus of the many phytochemicals present.
red wine
Alcohol metabolism depends on the enzyme
alcohol dehydrogenase (ADH)
Isolation and loneliness frequently contribute to apathetic eating and _____________ in older people.
depression
is an example of a nutrition program for seniors that delivers meals to their homes.
meals on wheels
Women are advised to consume no more than ________ drink(s) per day.
1
is the average length of life for a given group of people born in a specific year.
Life expectancy
Declining production of stomach acid and intrinsic factor increase the risk for deficiency of ________ among older adults.
vitamin B-12
Meals provided by congregate or home-delivered meal programs are designed to provide _________ of the RDA or AI for nutrients.
one-third
refers to the maximum number of years humans live.
life span
As one ages, _______ are lost from the kidney. In some people, this loss leads to eventual kidney failure, but most of us maintain sufficient kidney function.
nephrons
Because the elderly person requires similar amounts of nutrients as a younger person but needs fewer calories, diet plans should focus on
nutrient density
percent of the elderly population regularly take multiple prescription drugs. These drugs can affect nutritional status.
50%
During aging, as cells in an organ die, the organ's ability to show no outward disease and dysfunction is called its
reserve capacity
describes a loss of muscle mass accompanied by gains in fat mass.
Sarcopenic obesity