This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Other Key Definitions & Concepts, Subject name: Social & Preventive Medicine
ICD -11 has 3 volumes plus 26 chapters. Volume 2 contain:- 
Select and explain. 
A. Tabulation list, B. Reference guide, C. Alphabetical index, D. Functional assessment
B: Reference guide
Answer: B: Reference guide 
Explanation: ICD-11 (International Classification of Diseases - 11th Edition, WHO) - Revised every 10 years, right now 11th edition - Released in June 2018 and it contains 3 Volumes & 26 chapters along with chapter X, V. Volume I - Tabulation List Volume II - Reference Guide Volume III- Alphabetical Index - Some impoant chapters to be remembered: Chapter 6 - Mental behaviour and Neurodevelopmental disorders Chapter 26 - Traditional Medicine Chapter X - Extension codes Chapter V - functional Assessment