Caffeine may be classified as a ________.
A. food ingredient
B. stimulant
C. dietary supplement
D. drug
E. All of the choices are correct.
Answer: E
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A. using a collection of information to form an opinion B. an idea that might offer an explanation of an observation C. research involving at least 2 groups of subjects D. the group in a research study that does not receive a treatment E. an individual who has met specified educational and experience criteria deemed by a state licensing board necessary to be considered a nutrition expert F. research conducted by observing populations of people G. a scientific experiment that takes place in a laboratory H. a substance with no therapeutic value that is provided to the control group in a research study I. a stepwise process used by scientists to generate sound research findings J. involves looking at factors in two or more groups of subjects to see if there is a relationship K. promotion and selling of health products and services using personal testimonials and F claims that are not backed up by scientific research L. may have an undergrad degree in nutrition but is not a Registered Dietitian M. a research journal in which the studies have been reviewed for accuracy by fellow scientists before publication N. a generic term with no legal definition 16. Peer-reviewed journal 17. Consensus 18. Scientific method 19. Hypothesis 20. Laboratory experiment 21. Observational research 22. Epidemiological research 23. Experimental research 24. Control group 25. Placebo 26. Public Health Nutritionist 27. Quackery 28. Nutritionist 29. Licensed Dietitian
Why did the DRI committee not set an Upper Level for fiber?
a. A body can never have enough high-fiber foods. b. High-fiber foods are so filling, they are not likely to be eaten in excess. c. There are no consequences to an abundance of high-fiber foods. d. Fiber benefits everyone’s GI tract, so the more fiber, the healthier the digestive system. e. There was not enough evidence regarding fibers effects on health.
Which of the following statements is true about zinc lozenges and the common cold?
a. There is no known relationship. b. Zinc lozenges help reduce the severity of cold symptoms. c. Zinc taken with vitamin C may help prevent the common cold. d. Zinc lozenges may shorten the duration but not the severity of common cold symptoms. e. Any positive effect requires at least 500 mg zinc daily.
Where in the body is high sulfur content found?
a. Pancreas and liver b. Intestines c. Bones and teeth d. Skeletal muscle e. Skin, hair, and nails