Interpret the following order. ibuprofen 600 mg qid pc and hs prn muscle spasms a. ibuprofen 600 mg by mouth four times a day for muscle spasms b. ibuprofen 600 mg by mouth four times a day after meals and at bedtime for muscle spasms c. ibuprofen 600 mg by mouth daily after a meal or at bedtime as needed for muscle spasms d. ibuprofen 600 mg by injection three times a day after a meal and at bedtime as needed for muscle spasms e. ibuprofen 600 mg by mouth four times a day after meals and at bedtime as needed for muscle spasms A drug reference book that shows a product identification guide, indexed by manufacturers, products, diagnostics, and brand names, is called the a. nurses' drug book b. GenRx c. PDR d. all of the above e. a and b only