One of the problems with determining the effectiveness of an herbal remedy is _____
a. the lack of a consistent supply of herbs
b. the fact that different samples of an herb can have different chemical compositions
c. inconsistent labeling of supplements
d. differing opinions about the best method for testing herbs
e. inability of testing agencies to collect appropriate samples
b
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Which of the following statements about thiamin is false?
A. Thiamin is important as part of a coenzyme in carbohydrate metabolism. B. Thiamin was the first vitamin to be discovered. C. Thiamin is essential for the blood-clotting process. D. Thiamin can be found in both plant and animal food sources.
What is the crystal-like, structural molecule in bones and teeth that contains calcium called?
a. Osteoblasts b. Osteoclasts c. Hydroxyapatite d. Calcitonin
The brain chemical neuropeptide Y is known to specifically enhance the craving for ____
A) ?fat B) ?salt C) ?protein D) ?carbohydrate
A scientist is creating a formula diet that supplies all essential nutrients. One of the minerals in her formula has a Recommended Dietary Allowance of 130 mg/day. How should she classify this particular mineral?
A. Major mineral B. Trace mineral C. Possible essential mineral D. Nonessential mineral