The United States Medical Licensing Examination (USMLE) Step 1 is a standardized test that assesses a medical student's knowledge of basic science concepts and their application to clinical medicine. The exam is one of three components required for medical licensure in the United States and is typically taken by students after their second year of medical school.
The USMLE Step 1 consists of 280 multiple-choice questions administered over an eight-hour period. The exam covers topics such as anatomy, biochemistry, pharmacology, and physiology, among others. Scores used to be reported on a three-digit scale, but as of February 2022 is reported as pass/fail.