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': 'Iodine content in amiodarone is \nSelect and explain. \nA. 10-20%, B. 20-40%, C. 40-60%, D. 60-80%', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Amiodarone contains around 37% of iodine This iodine content is repsonsible for thyroid disorders, corneal microdeposts and pulmnary fibrosis of amiodarone amiodarone is a class 3 agent Ref: KD Tripathi 8th ed', 'role': 'assistant'}]