Learn how to safely, accurately, and confidently calculate medication dosages Trust this market-leading ratio and proportion text that&s known for its realistic practice problems and unique " proof " step in the answer key that allows you to double-check your answers to avoid medication errors. This edition continues to promote critical thinking, clinical judgment, and patient safety with respect to accurate drug dosages. Helpful worksheets, assessment tests, and Clinical Alerts? call attention to situations in actual practice that have resulted in drug errors - giving you extensive hands-on practice for the Next Generation NCLEX®and beyond. More than 1,100 ratio and proportion problems offer the extensive practice you need to become proficient in this method of drug calculation Step-by-step format for each problem includes a unique "proof"step in the answer key to ensure you understand the solution End-of-chapter practice tools include general worksheets, multiple-choice worksheets, critical thinking exercises, chapter finals, and a chapter answer key Safe Medication Administration chapter helps you prevent medication errors and understand drug labels, medication administration forms, and provider order forms Clinical Alerts highlight potential and common drug calculation errors Full-color drug labels and equipment illustrations provide a realistic representation of medication administration.