The United States Medical Licensing Examination Step 1 is a standardized test that assesses a medical student's knowledge of basic science concepts and their application to clinical medicine.

Step 3 is the final exam in the USMLE series of examinations.

USMLE Step 2 CK ("Clinical Knowledge") is a nine-hour-long exam that represents the second part of the United States Medical Licensure Examination.

Step 2 Clinical Skills (Step 2 CS) of the United States Medical Licensing Examination was an exam administered to medical students/graduates who wish to become licensed physicians in the U.S.