This study guide for Understanding Pharmacology: Essentials for Medication Safety, 3rd Edition offers content review and a wide range of engaging activities and medication safety practice questions to help you master pharmacology concepts, learn drug safety, and practice dosage calculation. A variety of learning activities, including matching, fill-in-the-blank, true/false, identification, and multiple-choice questions, plus crossword puzzles, help reinforce learning. Medication Safety Practice sections emphasize important safety concepts related to medication administration. Practice quizzes, comprised of multiple-choice and select-all-that-apply questions for the NCLEX(R), assess students' knowledge of important chapter concepts to prepare them for the NCLEX-PN(R) and NCLEX-RN(R) Examinations. Reader-friendly writing style and organization increases understanding for entry-level students. NEW! Case studies for the Next Generation NCLEX(R) in clinical chapters help students practice for the next generation licensure exam. Updated exercises cover newly approved pharmaceutical treatments and drugs.