This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Cardiovascular system, Subject name: Pharmacology
[{'content': 'Digitalis toxicity can cause \nSelect and explain. \nA. Hyperkalemia, B. Nausea, C. Arrythymias, D. All the above', 'role': 'user'}, {'content': 'Answer: D \nExplanation: Digitalis toxicity (DT) occurs when you take too much digitalis (also known as digoxin or digitoxin), a medication used to treat hea conditions. Signs of toxicity include nausea, vomiting, and an irregular heabeat Refer kDT 6/e p498', 'role': 'assistant'}]