Now with greater emphasis on math review and even more practice problems. Includes new guidelines on syringes and needles, pediatric dosage calculations, calculating dosages within a critical care setting, updated page design with more white space for answers and notes, and many more photographs of actual drug labels. A pretest plus follow-up exams are included in each chapter. Contents include review of mathematics, systems of drug measurement, drug orders and medication records, calculating oral dosages, calculating parenteral dosages, topical and rectal dosages, special considerations, selected references, and index.