4the u. s. food and drug administration (fda) approved acupuncture needles for use by licensed practitioners in 1996. the fda requires that sterile, nontoxic needles be used and that they be labeled for single use by qualified practitioners only. 5 relatively few complications from the use of acupuncture have been reported to the fda in light of the millions of people treated each year and the number of acupuncture needles used. why does the author refer to the fda's approval of acupuncture needles? a) to clarify the methods used by acupuncturists. b) to demonstrate that acupuncture is regulated and safe. c) to ensure that the reader chooses the correct needles. d) to show the superiority of traditional chinese medicine.