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%
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
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