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
Which of the following rhythm associated with cardiac arrest is shockable 
Select and explain. 
A. Asystole, B. Pulseless activity, C. Ventricular fibrillation, D. All of the above
C: Ventricular fibrillation
Answer: C: Ventricular fibrillation 
Explanation: 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.