The national health survey that uses a mobile examination center and collects data through direct physical examinations, clinical and laboratory testing, and related procedures is the:
A) National Health Interview Survey
B) National Health and Nutrition Examination Survey
C) Behavioral Risk Factor Surveillance System
D) National Health Care Survey
Ans: B) National Health and Nutrition Examination Survey
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The body regulates zinc absorption byL
a. producing metallothionein when intake levels are high b. increasing absorption when intake levels are high c. decreasing absorption when intake levels are low. d. increasing copper absorption when zinc intake is high
Analysis of blood can be used to determine:
a) what someone ate the previous day. b) glucose and cholesterol levels. c) an individual's overall nutritional status. d) bone mineral density.
Maria has been asked to be a subject in a study to determine if additional vitamin A will promote the growth of healthy, strong fingernails. Since she wants the study to be as close to the "ideal" nutrition intervention study as possible, she will want to be sure that:
a. only the researcher knows which participants receive vitamin A. b. all of the participants are between 18 and 25 years of age. c. her chances of getting vitamin A are better than those of anyone else. d. half of the participants get something that looks like additional vitamin A but isn't.
Which factor does not influence how much glucose a person uses during physical activity?
a. carbohydrate intake b. age of the person exercising c. duration of the activity d. degree of training of the muscles e. glycogen stores