The AMBOSS Step 2 CK Self-Assessment is a simulation of the USMLE® Step 1 exam. It consists of four question blocks of 40 questions each and is presented in the NBME®’s official timed format.
You can take the self-assessment exam from May 3 - May 9, 2021. During this time, you’ll have unlimited free access to AMBOSS and for an additional few days after so that you can review your score report. You can start the self-assessment here.