USMLE Step 3 MCQ practice
100 original questions: 56 Foundations of Independent Practice (FIP) and 44 Advanced Clinical Medicine (ACM). Use Study mode for question-by-question feedback, or run 20-question / 30-minute timed blocks. This is a practice bank, not a full two-day Step 3 simulation.
Study mode can be filtered by FIP or ACM. Timed mode samples 20 unique questions from the selected stream and withholds answers until the block ends.