Publisher's Note: Products purchased from Third Party sellers are not guaranteed by the publisher for quality, authenticity, or access to any online entitlements included with the product. 1,000 questions and answers prepare you for the USMLE Step 1! The only comprehensive Q&A review for the USMLE Step directly linked to high-yield facts from Dr. Le's First Aid for the USMLE Step 1, this essential study guide offers 1000 board-style questions and answers, easy-to-navigate, high yield explanations for correct and incorrect answers, and more than 350 accompanying images. Features: 1000 board-style questions and answers -- reviewed and approved -- by students who just aced the exam Detailed explanations for both right and wrong answers - with letter options in boldface for at-a-glance review Chapters keyed to Dr. Le's First Aid for the USMLE Step 1 so you can simultaneously review questions and high-yield facts 130+ high-yield images, diagrams, and tables One complete practice exam consisting of 7 blocks of 50 questions simulates the exam experience