This book is based on MCQs from all major systems in medicine. It contains MCQs on topics that many students think are easy and not important, only to find themselves in trouble in examinations. These MCQs remind students, whether undergraduate or postgraduate and even practicing doctors that there is nothing less important in medicine. There are more than 1000 MCQs in this book with the single best answer which is the trend nowadays in assessing knowledge in particular subjects. Also includes MCQs about COVID-19 which has recently changed the medical scenario and a new chapter on Rheumatology MCQs.