Which of the following dietary supplements is an herbal product that is highly toxic or contains cancer-causing material?
A. Green tea
B. Garlic
C. Ma huang
D. Fish oil
Answer: C
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Water formed during oxidative metabolism accounts for what percentage of the water the body needs each day?
A. 0 - 5% B. 10 - 14% C. 20 - 25% D. more than 30%
During the depression era the focus of the USDA's food guide was to recommend:
a. high-fat foods such as milk, peanuts, and cheese. b. carbohydrate foods such as breads and cereals. c. garden-fresh foods such as fruits and vegetables. d. high-sugar foods such as cake, pie, and cookies.
What amino acid is used to synthesize the neurotransmitter serotonin and the vitamin niacin?
a. Glycine b. Tyrosine c. Methionine d. Tryptophan
Which of the following vitamins is an antagonist of the drug warfarin (Coumadin)?
A. vitamin A B. vitamin B2 C. vitamin B6 D. vitamin C E. vitamin K