This efficient and authoritative review tool has more than 1,000 USMLE-style questions covering the most essential physiology concepts that you need to know. Review the functioning of all major body systems, and master a large amount of information in an abbreviated timeframe.

• Test your knowledge with case vignette-style questions, 25% to 30% of which are new or revised.
• Focus on the system interactions, homeostasis, and pathophysiology of major body systems.
• Get the correct answers and rationales for each question with the included cross references to the corresponding sections in the Guyton and Hall Textbook of Medical Physiology to help you strengthen your weaker areas of knowledge.
• Reinforce your understanding and visualize physiologic principles with enhanced color figures and well-illustrated line diagrams. 
• Focus on all of the essential information you need to know for the physiology portion of the USMLE Step 1