The book is designed to provide single best answer type of MCQs in all medical subjects. It is intended to benefit medical students and doctors in their preparation for post graduate medical entrance examinations as well as medical licensing examinations. Important topics in all medical subjects are covered. The MCQs are original and are created by a group of senior medical doctors. The correct answers and explanations are provided for every MCQ. Authors have made efforts to ensure accuracy of the matter. However, due to extreme diversity of medicine and continuous changes taking place in the field, it is likely that the view of others might differ. It is advised that the matter be used solely for academic purpose. We hope that the book will serve as a helpful partner to students preparing for various examinations.