Differentiate between the two major surveys used to obtain data on overweight and obesity
The National Health and Nutrition Examination Survey (NHANES) and the Behavioral Risk Factor Surveillance System (BRFSS) are the two surveys. The NHANES is conducted by the National Center for Health Statistics and involves a nationally representative sample. Annually, NHANES staff members take anthropometric measures and biochemical measures, complete a dietary recall for intake data, collect physical activity information, and report demographic data.
For the BRFSS, self-report data are collected from individual states through a random-digit dial telephone interview with adults aged 18 and older. Because the data collected are representative at the state level, trends in overweight and obesity among adults can be obtained for each of the states.
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Consumption of a diet consistent with the principles of the Mediterranean diet provides all of the essential macro- and micronutrients necessary for food nutritional status
a. true b. false
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A. increases with age. B. is the same for all adults regardless of age. C. decreases with age. D. fluctuates in the elderly as a consequence of shifting health status.
All of the following are characteristics of cholesterol except
A. it is used for making estrogen and testosterone. B. it is a component of bile. C. it is an essential nutrient. D. it is incorporated into cell membranes.