Which weight-loss supplement should be used with caution due to some reports of liver toxicity?
A) ephedrine
B) green tea extract
C) DHEA
D) bitter orange
Q. 2Is conjugated linoleic acid (CLA) considered to be effective for use as a weight-loss supplement?
A) No, the current body of research has determined that it is ineffective.
B) Studies in animals were promising, but results of human studies have been inconsistent.
C) Yes, the current body of research has established its safety and effectiveness.
D) CLA is effective for small loss of body weight.
Q. 3What is the current regulatory status in the U.S. of ephedrine-containing dietary supplements?
A) The U.S. has banned the sale of all ephedrine-containing dietary supplements.
B) Supplements containing less than 10 mg of ephedrine are legal in most states but higher doses cannot be sold.
C) Supplements containing less than 30 mg of ephedrine are legal in most states but higher doses cannot be sold.
D) There are no restrictions for ephedrine-containing dietary supplements being sold.
Q. 4Studies have shown that the use of ephedrine and caffeine by obese people ____.
A) is ineffective for weight loss
B) results in short-term weight loss of 8 to 9 lb
C) results in short-term weight loss of 14 to 15 lb
D) results in greater than a 20 lb weight loss after 12 months of use
Q. 5Why is caffeine added to ephedrine-containing compounds?
A) It enhances the effectiveness of ephedrine as a weight-loss agent.
B) It reduces the side effects associated with ephedrine.
C) It helps make ephedrine a more stable compound.
D) It helps to reduce the potential for addiction.
Q. 6Traditionally, the Chinese have used ma huang to ____.
A) increase energy
B) lower blood pressure
C) treat asthma and nasal decongestion
D) lower blood cholesterol
Q. 7The known side effects of supplements containing ephedrine include ____.
A) insomnia
B) hypotension
C) decreased heart rate
D) dizziness
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