Now thoroughly updated and revised, the Fourth Edition of Step-Up to USMLE Step 2 CK provides a high-yield, systems-based review – ideal for preparing for the end-of-rotation NBME shelf exam and studying for the USMLE Step 2 CK. Full-color illustrations and “Quick Hits” provide essential information in an efficient, easy-to-remember manner, which makes this ideal for students in medical, physician assistant, and nurse practitioner programs.