This authoritative basic sciences overview has set the standard for review books for more than 60 years. The completely updated Eighteenth Edition , offers contributions of renowned experts from every discipline who help students develop a confident approach to test-taking. Thousands of sample questions build familiarity with test formats--including USMLE, NBME, and FMGEMS-and help readers prepare for and pass these difficult licensure exams. Other features include comprehensive overviews of each subject area, extensive self-testing, and complete sample questions at the end of each chapter.