Which of the following statements regarding life expectancy in the United States is true?
a. The United States ranks twentieth in life expectancy worldwide.
b. By the year 2050, approximately 50% of the U.S. population will be 65 years or older.
c. Since 1990, life expectancy has increased by 63%.
d. The proportion of people aged 65 years and older is increasing.
d
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Fatty fish, such as salmon, are rich sources of which omega-3 fatty acid?
A. Conjugated linoleic acid (CLA) B. Eicosapentaenoic acid (EPA) C. Alpha-linolenic acid (ALA) D. Arachidonic acid (AA)
The mineral content of a given food is influenced by all of the following except:
A. soil mineral content. B. source of the food (animal or plant). C. processing of the food. D. vitamin content of the food.
Burn size in adults is often estimated by dividing the body into 11 parts, each part representing about _____ of the total body surface area (TBSA)
a. 9% b. 12% c. 15% d. 19%
Older adults may require a supplemental source of vitamin B-12 because
A. high fiber intake binds vitamin B-12. B. low intake of vitamin C impairs vitamin B-12 absorption. C. decreased production of intrinsic factor decreases vitamin B-12 absorption. D. increased hydrochloric acid production decreases vitamin B-12 absorption.