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: Medicine
[{'content': 'Which of the following rhythm associated with cardiac arrest is shockable \nSelect and explain. \nA. Asystole, B. Pulseless activity, C. Ventricular fibrillation, D. All of the above', 'role': 'user'}, {'content': 'Answer: C \nExplanation: Answer-C. Ventricular fibrillation Ventricular fibrillation (VF)-most commonPulseless ventricular tachycardia (VT)AsystolePulseless electrical activify (PEA)Shockable RhythmsVentricular fibrillation:disorganised electric activity of the ventricular myocardium which fails to generate significant forward blood flow.Pulseless ventricluar tachycardia: organised electric activity of the ventricular myocardium which fails to generate significant forward blood flow.', 'role': 'assistant'}]