To maintain a healthful weight, the Dietary Guidelines for Americans recommends
A) 60 minutes of intense activity 3 days a week.
B) 60 minutes of moderate activity most or all days of the week.
C) increasing the level of physical activity and reducing sedentary activities.
D) 8 hours of moderate activity per week.
Q. 2If Alexandra were to consume all of her protein from milk and cheese, she might develop which
deficiencies over time?
A) riboflavin and vitamin A B) zinc and iron
C) calcium and phosphorus D) protein and vitamin D
Q. 3A hypothesis or group of related hypotheses that have been confirmed through repeated
scientific experiments is known as a(n)
A) phenomenon. B) fact. C) theory. D) experiment.
Q. 4What is another name for a study of a particular disease in a large population?
A) a double-blind study B) a single-blind study
C) an observational study D) a model study
Q. 5A set of principles developed by the USDA and the USDHHS to help reduce the risk of
developing chronic disease is called
A) Food Fundamentals. B) DASH Diet.
C) South Beach Diet. D) Dietary Guidelines for Americans.
Q. 6In the United States and Canada, what set of standards defines the recommended intake values
for various nutrients for healthy people?
A) Tolerable Upper Intake Level (UL)
B) Acceptable Macronutrient Distribution Range (AMDR)
C) Dietary Reference Intakes (DRIs)
D) Estimated Average Requirement (EAR)
Q. 7What is the term for an imitation treatment that has no known physical effect or therapeutic
value on the subjects in a research study?
A) placebo B) double-blind trial
C) theory D) single-blind trial
Q. 8Amino acids are the smallest unit of a
A) carbohydrate. B) lipid. C) vitamin. D) protein.
Q. 9The primary source of fuel for the body is
A) proteins. B) carbohydrates.
C) fats and oils. D) vitamins and minerals.
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