ABOUT THE STEP 2 CS. The USMLE Step 2 CK exam assesses a candidate’s ability to apply knowledge, skills, and understanding of clinical science essential for the provision of patient care under supervision and emphasizes health. The CoA said that it was forced to issue the fresh directive because of the "difficulties" that were created by the current set of three office bearers comprising CK Khanna (acting BCCI president), Amitabh…