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': "The occurrence of hyperthyroidism following administration of supplemental iodine to subjects with endemic iodine deficiency goitre is known as - \nSelect and explain. \nA. Jod-Basedow effect, B. Wolff-Chaikoff effect, C. Thyrotoxicosis factitia, D. De Quervain's thyroiditis", 'role': 'user'}, {'content': 'Answer: A \nExplanation: None', 'role': 'assistant'}]