Which of the following terms describes a scientific consensus as to why a particular phenomenon occurs?
A) a study B) a placebo C) a theory D) a hypothesis
C
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Researchers collect data to assess a population’s nutrition status. Which of the following statements is true for the United States today?
a. Congress uses the research data to regulate the food supply. b. The Healthy People program met its 2020 goal to improve consumption of fruits and vegetables. c. The food industry uses research data to establish research priorities. d. The Healthy People program did not meet its 2020 goal for improving physical activity. e. Obesity rates are in decline for the first time in decades.
A public health problem in the United States among women and young children is:
1.low iron intake. 2.vitamin D deficiency. 3.high sodium intake. 4.chronic inflammation.
Which of the following is true concerning herbal remedies?
a. They are safe because they come from plants. b. There are safety standards set by the government for these products. c. Their components become more concentrated when they are made into supplements. d. They are safe for pregnant women and children because they are natural.
Approximately what percentage of the U.S. population does not have health insurance?
a. 16% b. 31% c. 52% d. 5%