the mrcs qualification is a multi-part examination including theory and practical assessments. part a is a 4-hour written examination which was used to assesses the applied basic sciences and principles of surgery in general. part b is a 5-hour practical examination which assesses elements of day-to-day surgical practice through a series of stations on anatomy, pathology, critical care, clinical procedures and patient evaluation (history taking, clinical examination and communication skills). candidates must complete both exams before they can apply for higher surgical training.