What are Step 1, Step 2, and Step 3? Learn about the USMLE board exam for medical school students. Exam Request. Before a person can be scheduled for the limited exam, the Texas Medical Board must receive an application to take the Limited Scope of. The United States Medical Licensing Examination (USMLE) assesses a. by the Federation of State Medical Boards (FSMB) and the National Board of Medical. on all…