41) The primary source of fuel for the body is
A) : 1201268.
41) The primary source of fuel for the body is
A) carbohydrates.
B) fats and oils.
C) proteins.
D) vitamins and minerals.
42) Amino acids are the smallest unit of a
A) carbohydrate.
B) lipid.
C) protein.
D) vitamin.
43) In the United States and Canada, what set of standards defines the recommended intake values for various nutrients for healthy people?
A) Estimated Average Requirement (EAR)
B) Tolerable Upper Intake Level (UL)
C) Dietary Reference Intakes (DRIs)
D) Acceptable Macronutrient Distribution Range (AMDR)
44) What is the term for an imitation treatment that has no known physical effect or therapeutic value on the subjects in a research study?
A) theory
B) placebo
C) single-blind trial
D) double-blind trial
45) What is another name for an epidemiological study?
A) a single-blind study
B) a double-blind study
C) a model study
D) an observational study
46) A hypothesis or group of related hypotheses that have been confirmed through repeated scientific experiments is known as a(n)
A) phenomenon.
B) experiment.
C) theory.
D) fact.