This book is a companion to the highly successful Textbook of Anaesthesia by Aitkenhead and Smith a standard text for trainee anaesthetists taking the Fellowship of the Royal College of Anaesthetists and similar exams. Since the publication of the first edition of the MCQ companion the FRCA has changed from being a three part to a two part exam. This book is intended for candidates preparing for the first part or Primary, which assesses both basic sciences and clinical anaesthesia.