This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Anaesthesia
Sequence of CPR is? 
Select and explain. 
A. Basic CPR, ACLS, Defibrillation, B. Basic CPR, Defibrillation, ACLS, C. ACLS, Basic CPR, Defibrillation, D. Defibrillation, ACLS, Basis CPR
B: Basic CPR, Defibrillation, ACLS
Answer: B: Basic CPR, Defibrillation, ACLS 
Explanation: Ans. is'b'i.e., Basic CP & Defibrillation, ACLSRef: 2010 International Consensus on Cardiopulmonary Resuscitation and Emergency Cardiovascular Care Science with Treatment Recommendations (CoSTR)Sequence ls : Basic life suppo (BLS) - Defibrillation -+ Advanced cardiac life suppo (ACIS).