USMLE Step 3 (Lange Q&A, 4th Edition) : As you probably know, the United States Medical Licensing Examination (USMLE) Step 3 will determine whether you will be allowed to practice without supervision. You also probably know you have two eight-hour days to complete the exam, which contains nearly 500 multiple-choice questions and about nine computer simulations. What you may not know, even with all your preparation, is that you have missed something along the line that will show up in the USMLE, which is why study guides like this come in handy. With over 1000 exam type questions, this study guide covers internal medicine, surgery, pediatrics, obstetrics and gynecology, psychiatry, preventive medicine and pathology, with questions, answers and explanations, an bibliographies for each. It also includes three practice exams in board format.