Essential tool for pharmacology course review and preparation for the USMLE Step 1 for medical students. Valuable resource for students in other health-related professions who are required to take pharmacology courses as part of their curriculums. This book is designed to provide students with a basic review of pharmacology and serve as a preparation aid for course review and board exams, primarily the USMLE. The content is broken down into the topics presented in most pharmacology courses and textbooks and is enhanced with numerous illustrations and tables. Each chapter includes drug lists and practice questions and answers. With the combination of end-of-chapter questions and two complete practice exams, all of which are in current USMLE format, the book offers over 1000 questions with explanations. New to this edition will be: a chapter on herbal medications and incorporation of clinical case histories in the two final exams in the appendices. With this edition, Dr. Trevor takes on the role of lead author.