USMLE MICROBIOLOGY - Version 2.0.0 The United States Medical Licensing Examination (USMLE) is sponsored by the Federation of State Medical Boards (FSMB) of the United States and the National Board of Medical Examiners (NBME). USMLE marks are reported to grant medical license in the United States and its territories to practice medicine.Step 1Step 1 consists of seven sections of 50 questions each. The student will have one hour to complete each section. Step 1 covers various topics that fall under the area of basic science.like anatomy, physiology and biochemistry. Questions of step 1 are in multiple choice questions format and includes microbiology.Step 2The USMLE Step 2 is divided into two sections. The first section is designed to test your basic clinical knowledge and the fundamentals needed for the practice of medicine and is known as "Clinical Knowledge" also USMLE Step 2 CK .every year, so watch out for this year's fees on USMLE bulletin.