8. Which of the following is NOT necessary for a true double-blind study?
a) The experimenter does not know which group each subject is assigned to.
b) The subjects do not know which experimental group they are assigned to.
c) Subjects are assigned randomly to their experimental groups.
d)
The name of each subject must be known.
9. Which of the following is NOT an advantage of the true double blind study design?
a) It reduces bias in the experimenter
b) It reduces error that is caused by the placebo effect.
c) It ensures that all subjects give honest answers to all experimental questions.
d) It is possible to compare any effects of the experimental treatment to the effects of
non-treatment (or “control”).
10. Which of the following is a dietary guideline that is espoused by
both
the US Department of
Health and Human Services and your humble professor?
a) Cut out all fats.
b) Eat more protein.
c) Eat a wide variety of foods, especially vegetables.
d) Eat plenty of antioxidants
11. Of the following dietary limits or guidelines, which will always be the highest for any single
nutrient?
a) RDA
b) AI
c) EAR
d)
UL
12. Of the following dietary guidelines, which is used mostly by health experts for national
planning and large-scale statistical purposes?
a) RDA
b) AI
c) EAR
d) UL
13. Which of the following is used mostly for nutrients that have not been thoroughly studied?
a) RDA
b) AI
c) EAR
d) UL
14. A new soda (Sweet'n'Crunchy™) contains 1,000,000 grams of sugar per serving. One serving
is equal to 8 ounces. The bottle contains 80 ounces. How many grams of sugar would you
swallow if you drink the whole bottle?
a) 500,000 g
b) 1,000,000 g
c) 2,000,000 g
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