This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Pre Anesthetic Evaluation, Subject name: Anaesthesia
A 62 years old patient with uncontrolled hypeension resulting in ruptured aoic aneurysm submitted to surgery belongs to ASA class- 
Select and explain. 
A. III, B. V, C. IV, D. VI
B: V
Answer: B: V 
Explanation: ASA Grading and Predictive Moality ASA Grade Definition Moality % I Normal healthy individual 0.06 II Mild systemic disease that doesn't limit activity 0.4 III Severe systemic disease that limits activity 4.5 IV Severe systemic disease that is constant threat to life 23 V Moribund, not expected to survive 24 hrs with or without surgery 51