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
The occurrence of hyperthyroidism following administration of supplemental iodine to subjects with endemic iodine deficiency goitre is known as - 
Select and explain. 
A. Jod-Basedow effect, B. Wolff-Chaikoff effect, C. Thyrotoxicosis factitia, D. De Quervain's thyroiditis
A: Jod-Basedow effect
Answer: A: Jod-Basedow effect 
Explanation: None