How does a double-blind experiment work?
a. Both subject groups take turns getting each treatment.
b. Neither subjects nor researchers know which subjects are in the control or experimental group
c. Neither group of subjects knows whether they are in the control or experimental group, but the researchers do know.
d. Both subject groups know whether they are in the control or experimental group, but the researchers do not know.
e. Neither the subjects nor the persons having contact with the subjects know the true purpose of the experiment.
Q. 2What is the study of how a person's genes interact with nutrients?
a. genetic counseling
b. nutritional genomics
c. genetic metabolomics
d. nutritional genetics
e. biogenetic nutrition
Q. 3Your friend Carrie took a daily supplement of vitamin C and tells you that she feels a lot better. Her statement to you is best described
a. anecdote
b. theory.
c. interpretation
d. conclusion.
e. hypothesis
Q. 4How many minerals are known to be essential for human nutrition?
a. 8
b. 12
c. 16
d. 20
e. 24
Q. 5Which statement is true of minerals in their role as nutrients?
a. They are organic.
b. They yield 4 kcalories per gram.
c. Some become dissolved in body fluids.
d. Some may be destroyed during cooking.
e. They are more fragile than vitamins.
Q. 6Which statement best describes the composition of most foods?
a. Most contain only one of the three energy nutrients, although a few contain all of them.
b. They contain equal amounts of the three energy nutrients.
c. They contain mixtures of the three energy nutrients, although only one or two may predominate.
d. They contain only two of the three energy nutrients, and those two are contained in equal amounts.
e. They contain only two of the three energy nutrients, and one is present in far greater amounts than the other.
Q. 7How many vitamins are known to be required in the diet of human beings?
a. 5
b. 8
c. 10
d. 13
e. 17
Q. 8A weight reduction regimen calls for a daily intake of 1400 kcalories, which includes 30 g of fat. Approximately what percentage of the total energy is contributed by fat?
a. 8.5
b. 15.0
c. 19.0
d. 25.5
e. 32.0
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