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 arrhythmias is most likely to be heritable? \nSelect and explain. \nA. Sho Q-T syndrome, B. Long Q-T syndrome, C. Ventricular ectopic, D. WPW Syndrome', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Long Q-T syndrome. The genetic basis of heritable arrhythmias, most notably the long Q-T syndromes, has been linked to mutations of genes coding for subunits of cardiac potassium and sodium channeis.', 'role': 'assistant'}]