According to the current assessment of research studies, what disease risk is reduced by a diet rich in fiber from fruits, vegetables, legumes, and whole grains?
a. diabetes mellitus type 1
b. diverticular disease
c. Alzheimer's disease
d. sickle-cell anemia
e. osteoporosis
Q. 2What is the approximate prevalence of obesity among adults in the U.S. today?
a. 20 percent
b. 33 percent
c. 42 percent
d. 48 percent
e. 54 percent
Q. 3What is an example of a fortified food?
a. organically-grown strawberries
b. low-fat potato chips
c. 93 percent lean ground beef
d. iodized salt
e. natural supplements
Q. 4Simone is looking for scientifically-supported information on nutrition, and performs an Internet search. Which criteria suggests that the site features unreliable information?
a. The site states: This website is authored and maintained by John Fawkes, M.D., a practicing physician who teaches at John Hopkins University School of Medicine.
b. The latest post on the recent news page is dated the day before.
c. The site describes both potential risks and benefits when describing nutritional practices or products.
d. The sources of statistics and study findings discussed are unavailable on the site.
e. The summary information is presented in an objective manner.
Q. 5One hallmark of a credible nutrition article is that it ____.
a. describes results of a study of a sufficiently large group of people
b. analyzes research studies that are at least ten years old
c. presents results that differ remarkably from those of similar studies
d. appears in a respected newspaper with a large national circulation
e. includes several cases of anecdotal support
Q. 6Cultural norms help determine food choices by ____.
a. imparting an innate preference for sweet tastes
b. dictating nutrition guidelines for the government
c. influencing beliefs about which plants and animals should be eaten as food
d. controlling the physiological need for food
e. encouraging the acceptance of all types of foods