first aid usmle step 1 pdf
First Aid for the USMLE Step 1 is a popular medical review book, helping students prepare for the exam with high-yield information and practice questions to achieve success. Overview of the USMLE Step 1 Exam The USMLE Step 1 exam is a multiple-choice exam that assesses a student's understanding of the basic sciences, including anatomy, biochemistry, and pharmacology. The exam is typically taken after completing the second year of medical school. According to various sources, the exam consists of approximately 280 questions, and students are given eight hours to complete it