The gold standard of research experiments is the double-blind, placebo-controlled study. (True or false?)

The gold standard of research experiments is the double-blind, placebo-controlled study.
 
  Indicate whether the statement is true or false

Q. 2

Vitamin E, vitamin C, and beta-carotene act as ________, which may reduce the risk of heart disease, cancer, arthritis, and Alzheimer's disease.
 
  A) anticoagulants B) antioxidants C) free radicals D) provitamins

Q. 3

The Know Your Farmer Know Your Food (KYF2) initiative is sponsored by
 
  A) the WHO. B) the USDA.
  C) the FDA. D) Future Farmers of America.

Q. 4

________ boosts the immune system by enabling the body to make white blood cells.
 
  A) Vitamin K B) Vitamin D C) Vitamin C D) Vitamin A

Q. 5

For reporting research results, a regular magazine is just as credible as a peer-reviewed journal.
 
  Indicate whether the statement is true or false

Q. 6

Of the following food products and beverages consumed in the United States, which is imported in the greatest volume?
 
  A) wine and beer B) sweeteners and candy
  C) fruits and nuts D) fish and shellfish

Q. 7

Vitamin B6 is a collective name for several related compounds, including
 
  A) pyridoxine. B) folic acid. C) choline. D) cobalamin.

Q. 8

It is not a good idea to change your diet based on a single study.
 
  Indicate whether the statement is true or false