Maria has been asked to be a subject in a study to determine if additional vitamin A will promote the growth of healthy, strong fingernails. Since she wants the study to be as close to the "ideal" nutrition intervention study as possible, she will want to be sure that:
a. only the researcher knows which participants receive vitamin A.
b. all of the participants are between 18 and 25 years of age.
c. her chances of getting vitamin A are better than those of anyone else.
d. half of the participants get something that looks like additional vitamin A but isn't.
d
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There are currently no federal guidelines or practices to ensure the purity, quality, safety, and
composition of dietary supplements. Indicate whether the statement is true or false
Oral rehydration therapy is a solution that includes ____
a. fruit juice b. formula c. salt d. magnesium
Sublingual administration requires an injection into the body under the skin.
Answer the following statement true (T) or false (F)
Another name for vitamin B 6 is:
a. pantothenic acid. b. biotin. c. pyruvate. d. pyridoxine.