AD LIB {Ans: -dosage, "freely"}APC {Ans: -Antigen Presenting Cell (dendritic cells, b cells, macrophages)}adverse effect {Ans: -unwanted effect caused by medication}APAP {Ans: -Acetaminophen (Tylenol)}accelerated approval {Ans: - Created in early 1990's, an expedited approval of drugs that represent a major advance in addressing serious or life-threatening diseases for which no effective alternative treatments exist. -Under accelerated approval, the FDA accepts a surrogate endpoint as evidence of effectiveness, and requires post-marketing studies to confirm the drug's benefits}adjuvant {Ans: -substance that ENHANCES drug/antigen action. -used with primary therapy}