Prepare for and excel on the American Registry for Diagnostic Medical Sonography (ARDMS) and American Registry of Radiologic Technologists (ARRT) certification exams! Steven M. Penny s Examination Review for Ultrasound: Abdomen & Obstetrics and Gynecology, 3rd Edition, focuses only on the information that you ll see on these exams, saving you valuable study time. Now in full color throughout, it uses a concise, narrative approach and features an online exam simulator with hundreds of registry-style questions.