(Fourth-year medical student, University of South Dakota, Sanford School of Medicine) ...Very well written in step 1 format, with very good explanations-which is one of the most helpful parts of a prep question set... Succinct but comprehensive in helping me to understand more about each of the other answers listed (and easy for me to see why they are wrong). – Chris Moser (Third-year medical student, Alabama College of Osteopathic Medicine) Thieme Test Prep for the USMLE®: Medical Physiology from Gabi Waite and Maria Sheakley transforms high-yield concepts into challenging multiple choice questions organized by body system. Readers will learn how to synthesize, integrate, and apply physiological concepts to clinical situations in a format mirroring the USMLE® exam.