An excellent resource for anyone in or entering the field, market-leading DOSAGE CALCULATIONS: A RATIO-PROPORTION APPROACH, fourth edition, teaches students how to reduce errors while building their confidence in dosage calculation. Extremely reader friendly, the text includes a comprehensive math review, full-color drug labels, and numerous critical thinking assessments. It carefully examines both basic and advanced calculations, including intravenous medications and those specific to the pediatric patient. Reducing the math anxiety that many readers have, the text's unique three-step method of calculating dosages-Convert, Think, Calculate-trains students to approach calculations logically and with a decreased risk of medication errors. The fourth edition reflects the most current drugs and protocol, regulations on medication abbreviations, medication administration technologies, and safe medication practices. Clinical simulations and Clinical Reasoning Skills scenarios based on QSEN principles help students develop clinical reasoning skills. Section Examinations include test items formatted like graduate licensure examinations. Offering plenty of hands-on application, the student study software includes tutorials, practice questions, self-tests, interactive label and syringe activities, and much more.