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: Pharmacology
[{'content': 'The side effects of digitalis are all except ? \nSelect and explain. \nA. Ventricular tachycardia, B. Vasodilatation, C. Nausea and vomiting, D. Ventricular Bigemini', 'role': 'user'}, {'content': "Answer: B \nExplanation: Ans. is 'b' i.e., Vasodilatation Digitalis causes mild vasoconstriction (not vasodilatation).", 'role': 'assistant'}]