In the context of intervention studies, when researchers know who is in the treatment group and who is in the placebo group but participants do not, the study is called a(n) _____

A) cohort study
B) single-blind study
C) double-blind study
D) epidemiologic study


B

Nutritional Science

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Nursing homes, hospitals, schools, and cruise ships are at ________ risk for foodborne illness than other settings

A) lower B) no C) higher D) similar

Nutritional Science

A sound strategy for Zoe and her parents regarding MyPlate is to ____

a. follow strict guidelines in preparing foods the same way each time b. avoid mixed dish foods that include servings from several groups c. increase activity to a high level while choosing foods based on moderate activity d. add variety by choosing different foods within the food groups e. remember that gender differences are minimal when considering calorie needs

Nutritional Science

The fact that the amino acid tryptophan can be converted to niacin by the body explains why

A. alcoholics sometimes develop Wernicke-Korsakoff syndrome. B. gelatin cures pellagra. C. corn-based diets prevent pellagra. D. diets high in protein could prevent or cure pellagra.

Nutritional Science

You have been stranded in a remote area for eight days with nothing to eat. The process that your body uses to produce "an alternate form of energy" under these circumstances is:

a. gluconeogenesis. b. proteolysis. c. ketogenesis. d. lipogenesis.

Nutritional Science