This high-yield, rapid-fire Q&A book simulates flashcards in a book to help medical students review microbiology and immunology for their course exams as well as prepare for the USMLE Step 1. It is also a great review for students in basic courses in other health-related programs. The book features an at-a-glance, two-column "flashcard" Q&A format, which reinforces familiar material, while accelerating mastery of commonly tested topics. The Q&As help readers efficiently absorb a large amount of pertinent information and streamlines study time by focusing only on the correct answers. Ideal for last-minute cramming, this quick-reference also enables students to pinpoint their weaknesses and strengths so they can fine-tune their preparation-and tackle the most difficult exam questions with confidence. *First and second year US and Canadian medical students in their basic science courses*Provides a flashcard experience with the convenience of a book*USMLE (R) -style vignettes deliver review material in a board-simulating clinical presentation *Active recall questions allow readers to understand, not just memorize, the subject matter *Clinical correlations of basic science help readers gear up for coursework and board exams*Compact and easy to carry for on-the-spot studying