This fifth edition study aid parallels the format of the United States Medical Licensing Examination Step 2 Clinical Knowledge. It contains 368 clinical vignette-style questions covering the principles of clinical science and was assembled based on the published content outline for the USMLE Step 2. The text was developed with the assistance of 15 American practitioners from medicine, neurology, obstetrics and gynecology, pediatrics, psychiatry, surgery, family medicine, and emergency medicine. The questions are divided into eight blocks of 46 questions each, which test the examinee on all core areas of clinical medicine; answers are included in the second half of the book, with explanations and references to key textbooks and journal articles. The questions and references have been updated to reflect significant medical developments since publication of the 2006 edition. Annotation ©2009 Book News, Inc., Portland, OR (booknews.com) The best questions from eight PreTest books!..Clinical Vignettes for the USMLE Step 2 CK is a compilation of the best questions from eight McGraw-Hill PreTest clinical review books and provides you with the perfect vehicle for assessing your knowledge before taking the USMLE Step 2 CK exam. .