<prompt> The principle of Wolff-chaikoff effect is used inIodide for thyrotoxic patients after surgeryIodide for thyrotoxic patients before SurgeryStimulation of hormone synthesisInereased vascularity of thyroid gland  <response>: Increased Iodine inhibits thyroid hormone synthesis. This is called Wolff Chaikoff effectRef: Ganong;s review of medical physiology; 24th edition; page no; 346 