Everything you need to ace to ace the USMLE Step 2 CK LANGE Q&A: USMLE Step 2 CK is a comprehensive Q&A review of the core topics tested on the exam. Chapters are organized by clerkship topics so you can study one topic at a time or use the book to prepare for clerkship exams. One complete practice test, formatted as 7 blocks of 50 questions -- just like the USMLE -- simulates the exam experience. Explanations discuss correct and incorrect answer options for a complete, high-yield review and all questions are in board format.