USMLE Step 1

The first component of the USMLE – Step 1 – can be taken during the studies or after graduation. The purpose of this step is to assess the student’s basic science knowledge and the scientific principles required for an individual to continue learning throughout a medical career.

Content of step 1

The USMLE Step 1 Content Description and General Information guide have a list of the following areas that are assessed:

  • Anatomy
  • Behavioral sciences
  • Biochemistry
  • Biostatistics and epidemiology
  • Microbiology
  • Pathology
  • Pharmacology
  • Physiology
  • Genetics
  • Aging
  • Immunology
  • Nutrition
  • Molecular and cell biology
  • How long is the test

USMLE Step 1 is a one-day exam, and it lasts about eight hours, which includes a 45-minute break. You could increase the break a bit if you finish a block early or if you skip the 15-minute tutorial.

The structure of the test

There are 308 multiple-choice questions. These are divided into seven blocks, each block has 44 questions. You get 60 minutes for each block. Once you are finished with a block, you can not return to it.

How to register for the USMLE Step 1

Medical school graduates and U.S or Canadian MD students can register for the exam here

If your medical school is outside of the US or Canada, you can register here

Locate a test center on the Prometric website and check availability for Step 1 and Step 2 CK.

Where to do the Step 1 test

The USMLE Step 1 exam can be taken at Prometric test centers worldwide.


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