This study and review aid for students struggling with especially difficult subject area and offers a visual, straightforward approach that clearly explains topics such as drug calculations; oral, IM, topical, and IV drug administration; and special topics such as pediatric administration, advanced care, and technology. The 2nd edition features discussions on 30 new drugs, 25 new calculation problems on dimensional analysis, a new feature on Medication Safety Errors in outer margins, as well as updated NCLEX® examination-style questions.