Correct Answer: D

Rationale: Herbal remedy manufacturers are not required by law to demonstrate the safety of their products.

Correct Answer: chiropractic

Rationale: Contraindications for chiropractic therapy,,,,,,include,,,,,,acute fractures,,,,,,rheumatoid arthritis,,,and osteoporosis,,,,,,

Correct Answer: one-third

Rationale: It is estimated that one-third of all adults in the United States take some form of herbal or natural product supplement alone or in combination with conventional medicines but rarely report this practice to their health care providers.

Correct Answer: A,B,C

Rationale: The National Center for Complementary and Alternative Medicine has the responsibility to evaluate treatments, distribute information, and conduct research. It has no power to remove defective products from the market or deal with insurance payments.

Correct Answer: C

Rationale: Asian ginseng may enhance the effect of Coumadin.