Exam 18: Nutrition and Older Adults

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Discuss the changes in thirst as people age. What have researchers found when studying older versus younger men, and what is the mechanism behind this change?

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(answers may vary Elderly people don't seem to notice thirst as clearly as younger people do. Research showed that the thirst-regulating mechanism of older adults was less effective than that of younger individuals. Younger men reported being thirsty and having dry mouth after fluid deprivation, while older men reported no change. Younger people made up for fluid loss in 24 hours, while older people did not drink enough to achieve their prior state of hydration. It appears that dehydration occurs more quickly after fluid deprivation and that rehydration is less effective because of lower thirst sensation and reduced renal water conservation capacity.

What does the Nutrition Screening Initiative DETERMINE stand for, and how is it used?

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The acronym stands for "disease, eating poorly, tooth loss/mouth pain, economic hardship, reduced social contact, multiple medicines, involuntary weight loss or gain, needs assistance in self-care, and elder years above 80."
This is a screening tool to "determine" if an older adult may be at nutritional risk. The advantage of this screener is that it alerts older adults and caregivers of potential nutritional risk factors and could lead to interventions to prevent malnutrition.

Vitamin D's main role is in the maintenance of blood _____ levels and in keeping bones strong and healthy.

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D

Caloric restriction in animals has been shown to _____.

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Mrs. Brown is 61 years old, is 5′3″ tall, and has a medium frame. She is a physically active woman. She reports that she has lost 20 pounds in the last 6 months and now weighs 130 pounds. She complains of poor appetite. She eats 2 meals a day and is complaining that food has lost its taste, and when she eats, she feels something sticking in her throat, pain, and discomfort; she has ill-fitting dentures that she does not wear very often.   According to USDA food intake patterns, if Mrs. Brown maintains a 2000-calorie diet, how many cups of fruits should she consume every day?

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Dietary guidance tends to focus on eating patterns and on disease risk reduction and quality of life enhancements.

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Mrs. Brown is 61 years old, is 5′3″ tall, and has a medium frame. She is a physically active woman. She reports that she has lost 20 pounds in the last 6 months and now weighs 130 pounds. She complains of poor appetite. She eats 2 meals a day and is complaining that food has lost its taste, and when she eats, she feels something sticking in her throat, pain, and discomfort; she has ill-fitting dentures that she does not wear very often.   Mrs. Brown is at risk of nutritional deficiency due to _____.

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It is difficult to meet vitamin and mineral needs via foods at caloric levels below _____.

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When height and weight cannot be measured, alternative calculations using the ulna, knee height, and _____ are suggested.

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During illness or with the use of medications, both older and younger individuals have equally reduced ability to detect salty, bitter, sour, sweet, and savory tastes.

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Diet contributes to reducing risk of disease and delaying death and also contributes to wellness.

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Older adults with a compromised _____ are particularly vulnerable to foodborne illness.

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Which term applies to the confluence of improved health and longevity?

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Of all the physiologic changes that occur during aging, the biggest effect on nutritional status and physical resilience is due to the shifts in the _____ system.

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The "Blue Zone" communities of healthy old residents include _____.

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A 65-year-old woman who takes several prescription medications wants to join a water fitness class for seniors. This woman should be seen by a doctor before beginning the exercise.

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How can older adults improve the nutrient density of their carbohydrate intake?

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Dietary recommendations for vitamin _____ are higher for older adults than for any other population group.

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Life expectancy has increased significantly since the 1900s. Today, life expectancy at birth in the United States is roughly_____.

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The prevalence of water-loss dehydration is estimated to be _____ percent in the older adult population.

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