Approximately what percentage of the U.S. population is employed in the agribusiness sector?
A) 5 percent B) 15 percent C) 25 percent D) 10 percent
A
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What condition is defined as the age-related loss of skeletal muscle mass, muscle strength, and muscle function?
a. multiple sclerosis b. muscular dystrophy c. osteoarthritis d. sarcopenia e. diverticulosis
Manganese plays a role in antioxidant defense as a part of the superoxide dismutase enzyme system.
Answer the following statement true (T) or false (F)
Fish is most likely to be a staple in the diet of which of the following ethnic groups?
A) Native American B) Indian C) Alaskan D) Chinese
A medical researcher asked 50 people with painful, arthritic knees to rub a cream that contained vitamin E on their knees for two weeks. At the end of the two weeks, she asked the subjects whether their knee pain improved, stayed about the same, or worsened during the treatment period. All 50 subjects reported improvement in their knee pain. Based on this information, which of the following statements is true?
A. The researcher should find a peer-review group to analyze her findings about the vitamin E-containing cream as a treatment for knee pain. B. The results about the benefits of using a vitamin E cream for knee pain are questionable, because the researcher didn't have a control group. C. The researcher shouldn't report her findings until she uses a single-blind study to test the vitamin E-containing cream. D. The results of this study prove that rubbing a cream that contains vitamin E on arthritic knees is a good way to relieve knee pain.