Our OB-GYN Ultrasound Registry Review - Test & Learn Quiz can help you prepare for your OB-GYN registry exam. No need to be intimidated. Our unlimited quiz has over 500 questions in the question bank and will help you learn as you go, testing your knowledge and teaching too! Our test responses are based on your answers and questions are designed to help you learn as you go with exam questions and answers, rotated and randomized with each 50 question quiz attempt. Become a registered sonographer. Pass your ARDMS® OB-GYN registry exam. Study with us today!