This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiopulmonary Cerebral Resuscitation, Subject name: Anaesthesia
As per the recent guidelines of Resuscitation what to be done if asystole is not responding to two consecutive doses of epinephrine:- 
Select and explain. 
A. Vasopressin is the second line drug, B. Defibrillation with 200J, C. Another dose of epinephrine, D. Atropine should be given
C: Another dose of epinephrine
Answer: C: Another dose of epinephrine 
Explanation: Most common electrical mechanism for cardiac arrest isasystole,as recorded at initial contact in45-50% of cases.Previously VF was thought to be the common mechanism, but its its incidence has now been decreasing.