The _GUYTON AND HALL PHYSIOLOGY REVIEW_ is the ideal way to prepare for class exams as well as the physiology portion of the USMLE Step 1. More than 1,000 BOARD-STYLE QUESTIONS AND ANSWERS allow you to test your knowledge of the most essential, need-to-know concepts in physiology. * Includes thorough reviews of all major body systems, with an emphasis on system interaction, homeostasis, and pathophysiology. * Designed as a companion to the 13th edition of _GUYTON AND HALL TEXTBOOK OF MEDICAL PHYSIOLOGY,_ highlighting essential key concepts and featuring direct page references to specific questions. * PROVIDES ESSENTIAL INFORMATION needed to prepare for the physiology portion of the USMLE Step 1. * STUDENT CONSULT EBOOK VERSION INCLUDED WITH PURCHASE. This ENHANCED EBOOK EXPERIENCE includes the full text plus an interactive assessment section.