Exam Master (USMLE) is a database of over 16,000 questions that appear in the Medical Licensing Exam. Included are clinical cases, graphs, images, charts, tables, etc. Each question is followed by a detailed explanation of a student's correct or incorrect answer. Users can create their own exams or select a "Prebuilt" test. Available prebuilt tests include: USMLE, Medical Certification, Medical Subject Review, Physician Assistant, Pharmacy, Dentistry.
USMLE requires registration before use and provides a basic instruction sheet for getting started.