Step 1

Step 1 assesses whether you understand and can apply important concepts of the sciences basic to the practice of medicine, with special emphasis on principles and mechanisms underlying health, disease, and modes of therapy. Step 1 ensures mastery of not only the sciences that provide a foundation for the safe and competent practice of medicine in the present, but also the scientific principles required for maintenance of competence through lifelong learning. Step 1 is constructed according to an integrated content outline that organizes basic science material along two dimensions: system and process.

Step 1 Content Description

The Step 1 content description is available in html and PDF. Learn more

Step 1 Test Question Formats

Step 1 includes only single questions with one best answer. Learn more

Orientation/Practice

USMLE orientation materials, including Step 1 software with practice test items, are available to download from this website. Learn more