This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Anesthesia, Subject name: Pharmacology
[{'content': 'All are true about bupivacaine Except \nSelect and explain. \nA. Less cardiotoxic than lignocaine, B. Dose increases with adrenaline, C. Long acting, D. Cannot given m vein', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Bupivacaine is more prone to prolong QTc interval and induce ventricular tachycardia or cardiac depression - should not be used for IV regional anesthesia. Whereas Lignocaine cause arrhythmia in overdosage only. All other statements are true. From Tripati 7th edition Page no 366, 367', 'role': 'assistant'}]