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 occurence of hypehyroidism following administration of supplemental iodine to subjects in endemic area of iodine deficiency is due to ? \nSelect and explain. \nA. Wolf-Chaikoff effect, B. Jod-Basedow effect, C. Pembeon effect, D. Graves effect', 'role': 'user'}, {'content': 'Answer: B \nExplanation: Answer- B. Jod-Basedow effectSynonymous with iodine induced hypehyroidism and may occur in patients with multinodular goitre after intake of large amount of iodine.', 'role': 'assistant'}]