Workbook for Textbook of Diagnostic Sonography (9th Edition) is a companion study guide designed to reinforce the concepts covered in the main textbook. It provides practice questions, labeling exercises, case studies, and review activities across major ultrasound specialties such as abdominal, obstetric, gynecologic, and vascular sonography. The workbook helps students strengthen their understanding of anatomy, scanning techniques, and image interpretation while preparing for exams and clinical practice.